NTN Deep Groove Ball Bearings

NTN Deep Groove Ball Bearings 6332, D=160 Radial/Deep Groove Ball Bearing - Round Bore, 160 mm ID, 340 mm OD, 68 mm Width, Open, CN Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 160.000 mm, 6.2992 in Outside Diameter 340.000 mm, 13.3858 in Overall Width 68.000 mm, 2.6772 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 69690 lbf Static Load Capacity 64290 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 68.000 mm, 2.6772 in Outer Ring Width 2.6772 in; 68.000 mm Maximum RPM (Grease) 1900 RPM Maximum RPM (Oil) 2300 rpm Fillet Radius 4.000 mm, 0.1575 in Maximum RPM 2300 RPM Manufacturer UPC Number 4547359404227 Weight 57.98 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6320, D=100 Radial/Deep Groove Ball Bearing - Round Bore, 100 mm ID, 215 mm OD, 47 mm Width, Open, CN Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 100.000 mm, 3.9370 in Outside Diameter 215.000 mm, 8.4646 in Overall Width 1.8504 in, 47.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 43160 lbf Static Load Capacity 31690 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 1.8504 in, 47.000 mm Outer Ring Width 1.8504 in; 47.000 mm Maximum RPM (Grease) 3200 RPM Maximum RPM (Oil) 3700 rpm Fillet Radius 0.1181 in, 3.000 mm Maximum RPM 3700 RPM Series 63 Manufacturer UPC Number 4547359006018 Weight 3.05 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6318, D=90 Radial/Deep Groove Ball Bearing - Round Bore, 90 mm ID, 190 mm OD, 43 mm Width, Open, CN Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 90.000 mm, 3.5433 in Outside Diameter 190.000 mm, 7.4803 in Overall Width 43.000 mm, 1.6929 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 35510 lbf Static Load Capacity 24050 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 43.000 mm, 1.6929 in Outer Ring Width 1.6929 in; 43.000 mm Maximum RPM (Grease) 3600 RPM Maximum RPM (Oil) 4200 rpm Fillet Radius 0.1181 in, 3.000 mm Maximum RPM 4200 RPM Series 63 Manufacturer UPC Number 4547359005936 Weight 10.80 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6317, D=85 Radial/Deep Groove Ball Bearing - Round Bore, 85 mm ID, 180 mm OD, 41 mm Width, Open, CN Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 3.3465 in, 85.000 mm Outside Diameter 180.000 mm, 7.0866 in Overall Width 41.000 mm, 1.6142 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 33040 lbf Static Load Capacity 21800 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 41.000 mm, 1.6142 in Outer Ring Width 1.6142 in; 41.000 mm Maximum RPM (Grease) 3800 RPM Maximum RPM (Oil) 4500 rpm Fillet Radius 0.1181 in, 3.000 mm Maximum RPM 4500 RPM Manufacturer UPC Number 4547359005899 Weight 9.26 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6316 Radial/Deep Groove Ball Bearing - Round Bore, 80 mm ID, 170 mm OD, 39 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 3.1496 in, 80.000 mm Outside Diameter 170.000 mm, 6.6929 in Overall Width 39.000 mm, 1.5354 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 30570 lbf Static Load Capacity 19440 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 39.000 mm, 1.5354 in Outer Ring Width 1.5354 in; 39.000 mm Maximum RPM (Grease) 4000 RPM Maximum RPM (Oil) 4700 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 4700 RPM Manufacturer UPC Number 4547359005851 Weight 7.915 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6315 Radial/Deep Groove Ball Bearing - Round Bore, 75 mm ID, 160 mm OD, 37 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 75.000 mm, 2.9528 in Outside Diameter 160.000 mm, 6.2992 in Overall Width 37.000 mm, 1.4567 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 28320 lbf Static Load Capacity 17310 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 37.000 mm, 1.4567 in Outer Ring Width 1.4567 in; 37.000 mm Maximum RPM (Grease) 4300 RPM Maximum RPM (Oil) 5000 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 5000 RPM Series 63 Manufacturer UPC Number 4547359005813 Weight 6.64 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6314 Radial/Deep Groove Ball Bearing - Round Bore, 70 mm ID, 150 mm OD, 35 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 70.000 mm, 2.7559 in Outside Diameter 150.000 mm, 5.9055 in Overall Width 35.000 mm, 1.3780 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 25850 lbf Static Load Capacity 15280 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 35.000 mm, 1.3780 in Outer Ring Width 1.3780 in; 35.000 mm Maximum RPM (Grease) 4600 RPM Maximum RPM (Oil) 5400 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 5400 RPM Series 63 Manufacturer UPC Number 4547359005776 Weight 5.61 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6313 Radial/Deep Groove Ball Bearing - Round Bore, 65 mm ID, 140 mm OD, 33 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 65.000 mm, 2.5591 in Outside Diameter 140.000 mm, 5.5118 in Overall Width 33.000 mm, 1.2992 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 23150 lbf Static Load Capacity 13480 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 33.000 mm, 1.2992 in Outer Ring Width 1.2992 in; 33.000 mm Maximum RPM (Grease) 4900 RPM Maximum RPM (Oil) 5800 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 5800 RPM Series 63 Manufacturer UPC Number 4547359005738 Weight 4.57 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6312 Radial/Deep Groove Ball Bearing - Round Bore, 60 mm ID, 130 mm OD, 31 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 60.000 mm, 2.3622 in Outside Diameter 130.000 mm, 5.1181 in Overall Width 1.2205 in, 31.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 20340 lbf Static Load Capacity 11690 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 1.2205 in, 31.000 mm Outer Ring Width 1.2205 in; 31.000 mm Maximum RPM (Grease) 5400 RPM Maximum RPM (Oil) 6300 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 6300 RPM Manufacturer UPC Number 4547359005691 Weight 3.68 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6308C3, D=40 Radial/Deep Groove Ball Bearing - Round Bore, 40 mm ID, 90 mm OD, 23 mm Width, Open, C3 Internal Clearance Bore Type Round Bore Diameter 1.5748 in, 40.000 mm Outside Diameter 90.000 mm, 3.5433 in Overall Width 23.000 mm, 0.9055 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 10110 lbf Static Load Capacity 5620 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 23.000 mm, 0.9055 in Outer Ring Width 0.9055 in; 23.000 mm Maximum RPM (Grease) 7800 RPM Maximum RPM (Oil) 9200 rpm Fillet Radius 0.0591 in, 1.500 mm Maximum RPM 9200 RPM Manufacturer UPC Number 4547359005554 Weight 1.39 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6306C3, D=30 Radial/Deep Groove Ball Bearing - Round Bore, 30 mm ID, 72 mm OD, 19 mm Width, Open, C3 Internal Clearance Bore Type Round Bore Diameter 1.1811 in, 30.000 mm Outside Diameter 72.000 mm, 2.8346 in Overall Width 19.000 mm, 0.7480 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 6630 lbf Static Load Capacity 3370 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 19.000 mm, 0.7480 in Outer Ring Width 0.7480 in; 19.000 mm Maximum RPM (Grease) 10000 RPM Maximum RPM (Oil) 12000 rpm Fillet Radius 1.100 mm, 0.0433 in Maximum RPM 6600 RPM Series 63 Manufacturer UPC Number 4547359005479 Weight 0.76 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6305C3, D=25 Radial/Deep Groove Ball Bearing - Round Bore, 25 mm ID, 62 mm OD, 17 mm Width, Open, C3 Internal Clearance Bore Type Round Bore Diameter 0.9843 in, 25.000 mm Outside Diameter 62.000 mm, 2.4409 in Overall Width 17.000 mm, 0.6693 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 5280 lbf Static Load Capacity 2450 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 17.000 mm, 0.6693 in Outer Ring Width 0.6693 in; 17.000 mm Maximum RPM (Grease) 12000 RPM Maximum RPM (Oil) 14000 rpm Fillet Radius 1.100 mm, 0.0433 in Maximum RPM 14000 RPM Series 63 Manufacturer UPC Number 4547359005431 Weight 0.50 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6304C3, D=20 Radial/Deep Groove Ball Bearing - Round Bore, 20 mm ID, 52 mm OD, 15 mm Width, Open, C3 Internal Clearance Bore Type Round Bore Diameter 20.000 mm, 0.7874 in Outside Diameter 52.000 mm, 2.0472 in Overall Width 15.000 mm, 0.5906 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 3950 lbf Static Load Capacity 1770 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 15.000 mm, 0.5906 in Outer Ring Width 0.5906 in; 15.000 mm Maximum RPM (Grease) 14000 RPM Maximum RPM (Oil) 17000 rpm Fillet Radius 1.100 mm, 0.0433 in Maximum RPM 17000 RPM Manufacturer UPC Number 4547359005394 Weight 0.32 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6303C3, D=17 Radial/Deep Groove Ball Bearing - Round Bore, 17 mm ID, 47 mm OD, 14 mm Width, Open, C3 Internal Clearance Bore Type Round Bore Diameter 17.000 mm, 0.6693 in Outside Diameter 1.8504 in, 47.000 mm Overall Width 14.000 mm, 0.5512 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 3370 lbf Static Load Capacity 1470 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 14.000 mm, 0.5512 in Outer Ring Width 0.5512 in; 14.000 mm Maximum RPM (Grease) 16000 RPM Maximum RPM (Oil) 19000 rpm Fillet Radius 1.000 mm, 0.0394 in Maximum RPM 19000 RPM Manufacturer UPC Number 4547359005356 Weight 0.25 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6302C3, D=15 Radial/Deep Groove Ball Bearing - Round Bore, 15 mm ID, 42 mm OD, 13 mm Width, Open, C3 Internal Clearance Bore Type Round Bore Diameter 15.000 mm, 0.5906 in Outside Diameter 42.000 mm, 1.6535 in Overall Width 13.000 mm, 0.5118 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 2850 lbf Static Load Capacity 1220 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 13.000 mm, 0.5118 in Outer Ring Width 0.5118 in; 13.000 mm Maximum RPM (Grease) 17000 RPM Maximum RPM (Oil) 21000 rpm Fillet Radius 1.000 mm, 0.0394 in Maximum RPM 21000 RPM Manufacturer UPC Number 4547359005318 Weight 0.18 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6301C3, D=12 Radial/Deep Groove Ball Bearing - Round Bore, 12 mm ID, 37 mm OD, 12 mm Width, Open, C3 Internal Clearance Bore Type Round Bore Diameter 0.4724 in, 12.000 mm Outside Diameter 37.000 mm, 1.4567 in Overall Width 0.4724 in, 12.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 2420 lbf Static Load Capacity 940 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 0.4724 in, 12.000 mm Outer Ring Width 0.4724 in; 12.000 mm Maximum RPM (Grease) 20000 RPM Maximum RPM (Oil) 24000 rpm Fillet Radius 1.000 mm, 0.0394 in Maximum RPM 24000 RPM Manufacturer UPC Number 4547359005271 Weight 0.13 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6300C3, D=10 Radial/Deep Groove Ball Bearing - Round Bore, 10 mm ID, 35 mm OD, 11 mm Width, Open, C3 Internal Clearance Bore Type Round Bore Diameter 0.3937 in, 10.000 mm Outside Diameter 35.000 mm, 1.3780 in Overall Width 11.000 mm, 0.4331 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 2040 lbf Static Load Capacity 780 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 11.000 mm, 0.4331 in Outer Ring Width 0.4331 in; 11.000 mm Maximum RPM (Grease) 23000 RPM Maximum RPM (Oil) 27000 rpm Fillet Radius 0.600 mm, 0.0236 in Maximum RPM 27000 RPM Manufacturer UPC Number 4547359005233 Weight 0.12 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6240C3, D=200 Radial/Deep Groove Ball Bearing - Round Bore, 200 mm ID, 360 mm OD, 58 mm Width, Open, C3 Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 200 mm Outside Diameter 360 mm Overall Width 58 mm Closure Type Open Internal Clearance C3 Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 66990 lbf Static Load Capacity 69690 lbf Precision Rating Class 0 Seal Type None Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 58.000 mm, 2.2835 in Outer Ring Width 2.2835 in; 58.000 mm Maximum RPM (Grease) 1700 RPM Fillet Radius 4.000 mm, 0.1575 in Maximum RPM 2000 RPM Radial Dynamic Load Capacity 185000 N Radial Static Load Capacity 186000 N Manufacturer UPC Number 4547359375527 Weight 51.809 lbs Harmonization Code 8482.10.5044 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6230C3, D=150 Radial/Deep Groove Ball Bearing - Round Bore, 150 mm ID, 270 mm OD, 45 mm Width, Open, C3 Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 150 mm Outside Diameter 270 mm Overall Width 45 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance C3 Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 43830 lbf Static Load Capacity 37760 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 1.7717 in, 45.000 mm Outer Ring Width 1.7717 in; 45.000 mm Maximum RPM (Grease) 2300 RPM Maximum RPM (Oil) 2700 rpm Fillet Radius 0.1181 in, 3.000 mm Maximum RPM 2700 RPM Series 62 Manufacturer UPC Number 4547359374803 Weight 21.91 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6224C3, D=120 Radial/Deep Groove Ball Bearing - Round Bore, 120 mm ID, 215 mm OD, 40 mm Width, Open, C3 Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 120.000 mm, 4.7244 in Outside Diameter 215.000 mm, 8.4646 in Overall Width 1.5748 in, 40.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 38660 lbf Static Load Capacity 29440 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 1.5748 in, 40.000 mm Outer Ring Width 1.5748 in; 40.000 mm Maximum RPM (Grease) 2900 RPM Maximum RPM (Oil) 3400 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 3400 RPM Series 62 Manufacturer UPC Number 4547359374148 Weight 11.60 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6222C3, D=110 Radial/Deep Groove Ball Bearing - Round Bore, 110 mm ID, 200 mm OD, 38 mm Width, Open, C3 Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 110.000 mm, 4.3307 in Outside Diameter 200.000 mm, 7.8740 in Overall Width 38.000 mm, 1.4961 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 35960 lbf Static Load Capacity 26300 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 38.000 mm, 1.4961 in Outer Ring Width 1.4961 in; 38.000 mm Maximum RPM (Grease) 3200 RPM Maximum RPM (Oil) 3800 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 3800 RPM Manufacturer UPC Number 4547359373769 Weight 9.66 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6221C3, D=105 Radial/Deep Groove Ball Bearing - Round Bore, 105 mm ID, 190 mm OD, 36 mm Width, Open, C3 Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 105 mm Outside Diameter 190 mm Overall Width 36 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 33040 lbf Static Load Capacity 23600 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 36.000 mm, 1.4173 in Outer Ring Width 1.4173 in; 36.000 mm Maximum RPM (Grease) 3500 RPM Maximum RPM (Oil) 4200 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 4200 RPM Manufacturer UPC Number 4547359373509 Weight 8.157 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6219C3, D=95 Radial/Deep Groove Ball Bearing - Round Bore, 95 mm ID, 170 mm OD, 32 mm Width, Double Sealed, C3 Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 95 mm Outside Diameter 170 mm Overall Width 32 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance C3 Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 27200 lbf Static Load Capacity 18430 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 1.2598 in, 32.000 mm Outer Ring Width 1.2598 in; 32.000 mm Maximum RPM (Grease) 3700 RPM Maximum RPM (Oil) 4400 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 4400 RPM Series 62 Manufacturer UPC Number 4547359372830 Weight 5.69 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6217C3, D=85 Radial/Deep Groove Ball Bearing - Round Bore, 85 mm ID, 150 mm OD, 28 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 3.3465 in, 85.000 mm Outside Diameter 150.000 mm, 5.9055 in Overall Width 28.000 mm, 1.1024 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 20680 lbf Static Load Capacity 14380 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 28.000 mm, 1.1024 in Outer Ring Width 1.1024 in; 28.000 mm Maximum RPM (Grease) 4200 RPM Maximum RPM (Oil) 5000 rpm Fillet Radius 2.000 mm, 0.0787 in Maximum RPM 5000 RPM Manufacturer UPC Number 4547359005059 Weight 3.99 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6215C3, D=75 Radial/Deep Groove Ball Bearing - Round Bore, 75 mm ID, 130 mm OD, 25 mm Width, Double Sealed, CN Internal Clearance Bore Type Round Bore Diameter 75.000 mm, 2.9528 in Outside Diameter 130.000 mm, 5.1181 in Overall Width 0.9843 in, 25.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 16520 lbf Static Load Capacity 11120 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 0.9843 in, 25.000 mm Outer Ring Width 0.9843 in; 25.000 mm Maximum RPM (Grease) 4800 RPM Maximum RPM (Oil) 5600 rpm Fillet Radius 0.0591 in, 1.500 mm Maximum RPM 5600 RPM Series 62 Manufacturer UPC Number 4547359004977 Weight 2.56 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6213C3, D=65 Radial/Deep Groove Ball Bearing - Round Bore, 65 mm ID, 120 mm OD, 23 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 65.000 mm, 2.5591 in Outside Diameter 120.000 mm, 4.7244 in Overall Width 23.000 mm, 0.9055 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 14270 lbf Static Load Capacity 8990 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 23.000 mm, 0.9055 in Outer Ring Width 0.9055 in; 23.000 mm Maximum RPM (Grease) 5500 RPM Maximum RPM (Oil) 6500 rpm Fillet Radius 0.0591 in, 1.500 mm Maximum RPM 6500 RPM Manufacturer UPC Number 4547359004892 Weight 2.16 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6211C3, D=55 Radial/Deep Groove Ball Bearing - Round Bore, 55 mm ID, 100 mm OD, 21 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 55.000 mm, 2.1654 in Outside Diameter 100.000 mm, 3.9370 in Overall Width 0.8268 in, 21.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 10790 lbf Static Load Capacity 6560 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 0.8268 in, 21.000 mm Outer Ring Width 0.8268 in; 21.000 mm Maximum RPM (Grease) 6400 RPM Maximum RPM (Oil) 7600 rpm Fillet Radius 0.0591 in, 1.500 mm Maximum RPM 7600 RPM Manufacturer UPC Number 4547359004816 Weight 1.33 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6210C3, D=50 Radial/Deep Groove Ball Bearing - Round Bore, 50 mm ID, 90 mm OD, 20 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 1.9685 in, 50.000 mm Outside Diameter 90.000 mm, 3.5433 in Overall Width 20.000 mm, 0.7874 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 8760 lbf Static Load Capacity 5210 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 20.000 mm, 0.7874 in Outer Ring Width 0.7874 in; 20.000 mm Maximum RPM (Grease) 7100 RPM Maximum RPM (Oil) 8300 rpm Fillet Radius 1.100 mm, 0.0433 in Maximum RPM 8300 RPM Manufacturer UPC Number 4547359004793 Weight 1.00 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6209C3, D=45 Radial/Deep Groove Ball Bearing - Round Bore, 45 mm ID, 85 mm OD, 19 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 1.7717 in, 45.000 mm Outside Diameter 3.3465 in, 85.000 mm Overall Width 19.000 mm, 0.7480 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 8090 lbf Static Load Capacity 4580 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 19.000 mm, 0.7480 in Outer Ring Width 0.7480 in; 19.000 mm Maximum RPM (Grease) 7800 RPM Maximum RPM (Oil) 9200 rpm Fillet Radius 1.100 mm, 0.0433 in Maximum RPM 9200 RPM Manufacturer UPC Number 4547359004755 Weight 0.88 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6208C3, D=40 Radial/Deep Groove Ball Bearing - Round Bore, 40 mm ID, 80 mm OD, 18 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 1.5748 in, 40.000 mm Outside Diameter 3.1496 in, 80.000 mm Overall Width 18.000 mm, 0.7087 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 7300 lbf Static Load Capacity 4000 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 18.000 mm, 0.7087 in Outer Ring Width 0.7087 in; 18.000 mm Maximum RPM (Grease) 8700 RPM Maximum RPM (Oil) 10000 rpm Fillet Radius 1.000 mm, 0.0394 in Maximum RPM 10000 RPM Series 62 Weight 0.80 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6207C3, D=35 Radial/Deep Groove Ball Bearing - Round Bore, 35 mm ID, 72 mm OD, 17 mm Width, Double Sealed, CN Internal Clearance Bore Type Round Bore Diameter 35.000 mm, 1.3780 in Outside Diameter 72.000 mm, 2.8346 in Overall Width 17.000 mm, 0.6693 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 6380 lbf Static Load Capacity 3430 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 17.000 mm, 0.6693 in Outer Ring Width 0.6693 in; 17.000 mm Maximum RPM (Grease) 9800 RPM Maximum RPM (Oil) 11000 rpm Fillet Radius 1.000 mm, 0.0394 in Maximum RPM 11000 RPM Series 62 Weight 0.62 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6206C3, D=30 Radial/Deep Groove Ball Bearing - Round Bore, 30 mm ID, 62 mm OD, 16 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 1.1811 in, 30.000 mm Outside Diameter 62.000 mm, 2.4409 in Overall Width 16.000 mm, 0.6299 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 4850 lbf Static Load Capacity 2540 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 16.000 mm, 0.6299 in Outer Ring Width 0.6299 in; 16.000 mm Maximum RPM (Grease) 11000 RPM Maximum RPM (Oil) 13000 rpm Fillet Radius 1.000 mm, 0.0394 in Maximum RPM 13000 RPM Weight 0.44 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6224, D=120 Radial/Deep Groove Ball Bearing - Round Bore, 120 mm ID, 215 mm OD, 40 mm Width, Open, CN Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 120.000 mm, 4.7244 in Outside Diameter 215.000 mm, 8.4646 in Overall Width 1.5748 in, 40.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 38660 lbf Static Load Capacity 29440 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 1.5748 in, 40.000 mm Outer Ring Width 1.5748 in; 40.000 mm Maximum RPM (Grease) 2900 RPM Maximum RPM (Oil) 3400 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 3400 RPM Series 62 Manufacturer UPC Number 4547359374148 Weight 11.60 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6222, D=110 Radial/Deep Groove Ball Bearing - Round Bore, 110 mm ID, 200 mm OD, 38 mm Width, Open, CN Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 110.000 mm, 4.3307 in Outside Diameter 200.000 mm, 7.8740 in Overall Width 38.000 mm, 1.4961 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 35960 lbf Static Load Capacity 26300 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 38.000 mm, 1.4961 in Outer Ring Width 1.4961 in; 38.000 mm Maximum RPM (Grease) 3200 RPM Maximum RPM (Oil) 3800 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 3800 RPM Manufacturer UPC Number 4547359373769 Weight 9.66 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6220, D=100 Radial/Deep Groove Ball Bearing - Round Bore, 100 mm ID, 180 mm OD, 34 mm Width, Open, CN Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 100.000 mm, 3.9370 in Outside Diameter 180.000 mm, 7.0866 in Overall Width 34.000 mm, 1.3386 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 30550 lbf Static Load Capacity 20900 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 34.000 mm, 1.3386 in Outer Ring Width 1.3386 in; 34.000 mm Maximum RPM (Grease) 3500 RPM Maximum RPM (Oil) 4200 rpm Fillet Radius 0.0827 in, 2.100 mm Maximum RPM 4200 RPM Manufacturer UPC Number 4547359005172 Weight 6.81 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN Deep Groove Ball Bearings 6218, D=90 Radial/Deep Groove Ball Bearing - Round Bore, 90 mm ID, 160 mm OD, 30 mm Width, Open, CN Internal Clearance SPECIFICATIONS Bore Type Round Bore Diameter 90.000 mm, 3.5433 in Outside Diameter 160.000 mm, 6.2992 in Overall Width 1.1811 in, 30.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 23820 lbf Static Load Capacity 16070 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 1.1811 in, 30.000 mm Outer Ring Width 1.1811 in; 30.000 mm Maximum RPM (Grease) 4000 RPM Maximum RPM (Oil) 4700 rpm Fillet Radius 2.000 mm, 0.0787 in Maximum RPM 4700 RPM Series 62 Manufacturer UPC Number 4547359005097 Weight 4.72 lbs Harmonization Code 8482.10.5056 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6311 Radial/Deep Groove Ball Bearing - Round Bore, 55 mm ID, 120 mm OD, 29 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 55.000 mm, 2.1654 in Outside Diameter 120.000 mm, 4.7244 in Overall Width 29.000 mm, 1.1417 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 17870 lbf Static Load Capacity 10110 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 29.000 mm, 1.1417 in Outer Ring Width 1.1417 in; 29.000 mm Maximum RPM (Grease) 5800 RPM Maximum RPM (Oil) 6800 rpm Fillet Radius 2.000 mm, 0.0787 in Maximum RPM 6800 RPM Series 63 Manufacturer UPC Number 4547359005653 Weight 2.95 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6310 Radial/Deep Groove Ball Bearing - Round Bore, 50 mm ID, 110 mm OD, 27 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 1.9685 in, 50.000 mm Outside Diameter 110.000 mm, 4.3307 in Overall Width 27.000 mm, 1.0630 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 15390 lbf Static Load Capacity 8650 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 27.000 mm, 1.0630 in Outer Ring Width 1.0630 in; 27.000 mm Maximum RPM (Grease) 6400 RPM Maximum RPM (Oil) 7500 rpm Fillet Radius 2.000 mm, 0.0787 in Maximum RPM 7500 RPM Manufacturer UPC Number 4547359005639 Weight 2.31 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6309 Radial/Deep Groove Ball Bearing - Round Bore, 45 mm ID, 100 mm OD, 25 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 1.7717 in, 45.000 mm Outside Diameter 100.000 mm, 3.9370 in Overall Width 0.9843 in, 25.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 13150 lbf Static Load Capacity 7190 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 0.9843 in, 25.000 mm Outer Ring Width 0.9843 in; 25.000 mm Maximum RPM (Grease) 7000 RPM Maximum RPM (Oil) 8200 rpm Fillet Radius 0.0591 in, 1.500 mm Maximum RPM 8200 RPM Series 63 Manufacturer UPC Number 4547359005592 Weight 1.79 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6308 Radial/Deep Groove Ball Bearing - Round Bore, 40 mm ID, 90 mm OD, 23 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 1.5748 in, 40.000 mm Outside Diameter 90.000 mm, 3.5433 in Overall Width 23.000 mm, 0.9055 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 10110 lbf Static Load Capacity 5620 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 23.000 mm, 0.9055 in Outer Ring Width 0.9055 in; 23.000 mm Maximum RPM (Grease) 7800 RPM Maximum RPM (Oil) 9200 rpm Fillet Radius 0.0591 in, 1.500 mm Maximum RPM 9200 RPM Manufacturer UPC Number 4547359005554 Weight 1.39 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6307 Radial/Deep Groove Ball Bearing - Round Bore, 35 mm ID, 80 mm OD, 21 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 35.000 mm, 1.3780 in Outside Diameter 3.1496 in, 80.000 mm Overall Width 0.8268 in, 21.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 8310 lbf Static Load Capacity 4290 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 0.8268 in, 21.000 mm Outer Ring Width 0.8268 in; 21.000 mm Maximum RPM (Grease) 8800 RPM Maximum RPM (Oil) 10000 rpm Fillet Radius 0.0591 in, 1.500 mm Maximum RPM 10000 RPM Series 63 Manufacturer UPC Number 4547359005516 Weight 1.01 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6306 Radial/Deep Groove Ball Bearing - Round Bore, 30 mm ID, 72 mm OD, 19 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 1.1811 in, 30.000 mm Outside Diameter 72.000 mm, 2.8346 in Overall Width 19.000 mm, 0.7480 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 6630 lbf Static Load Capacity 3370 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 19.000 mm, 0.7480 in Outer Ring Width 0.7480 in; 19.000 mm Maximum RPM (Grease) 10000 RPM Maximum RPM (Oil) 12000 rpm Fillet Radius 1.100 mm, 0.0433 in Maximum RPM 6600 RPM Series 63 Manufacturer UPC Number 4547359005479 Weight 0.76 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6305 Radial/Deep Groove Ball Bearing - Round Bore, 25 mm ID, 62 mm OD, 17 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 0.9843 in, 25.000 mm Outside Diameter 62.000 mm, 2.4409 in Overall Width 17.000 mm, 0.6693 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 5280 lbf Static Load Capacity 2450 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 17.000 mm, 0.6693 in Outer Ring Width 0.6693 in; 17.000 mm Maximum RPM (Grease) 12000 RPM Maximum RPM (Oil) 14000 rpm Fillet Radius 1.100 mm, 0.0433 in Maximum RPM 14000 RPM Series 63 Manufacturer UPC Number 4547359005431 Weight 0.50 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6304 Radial/Deep Groove Ball Bearing - Round Bore, 20 mm ID, 52 mm OD, 15 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 20.000 mm, 0.7874 in Outside Diameter 52.000 mm, 2.0472 in Overall Width 15.000 mm, 0.5906 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 3950 lbf Static Load Capacity 1770 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 15.000 mm, 0.5906 in Outer Ring Width 0.5906 in; 15.000 mm Maximum RPM (Grease) 14000 RPM Maximum RPM (Oil) 17000 rpm Fillet Radius 1.100 mm, 0.0433 in Maximum RPM 17000 RPM Manufacturer UPC Number 4547359005394 Weight 0.32 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6303 Radial/Deep Groove Ball Bearing - Round Bore, 17 mm ID, 47 mm OD, 14 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 17.000 mm, 0.6693 in Outside Diameter 1.8504 in, 47.000 mm Overall Width 14.000 mm, 0.5512 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 3370 lbf Static Load Capacity 1470 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 14.000 mm, 0.5512 in Outer Ring Width 0.5512 in; 14.000 mm Maximum RPM (Grease) 16000 RPM Maximum RPM (Oil) 19000 rpm Fillet Radius 1.000 mm, 0.0394 in Maximum RPM 19000 RPM Manufacturer UPC Number 4547359005356 Weight 0.25 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6302 Radial/Deep Groove Ball Bearing - Round Bore, 15 mm ID, 42 mm OD, 13 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 15.000 mm, 0.5906 in Outside Diameter 42.000 mm, 1.6535 in Overall Width 13.000 mm, 0.5118 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 2850 lbf Static Load Capacity 1220 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 13.000 mm, 0.5118 in Outer Ring Width 0.5118 in; 13.000 mm Maximum RPM (Grease) 17000 RPM Maximum RPM (Oil) 21000 rpm Fillet Radius 1.000 mm, 0.0394 in Maximum RPM 21000 RPM Manufacturer UPC Number 4547359005318 Weight 0.18 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6301 Radial/Deep Groove Ball Bearing - Round Bore, 12 mm ID, 37 mm OD, 12 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 0.4724 in, 12.000 mm Outside Diameter 37.000 mm, 1.4567 in Overall Width 0.4724 in, 12.000 mm Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 2420 lbf Static Load Capacity 940 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 0.4724 in, 12.000 mm Outer Ring Width 0.4724 in; 12.000 mm Maximum RPM (Grease) 20000 RPM Maximum RPM (Oil) 24000 rpm Fillet Radius 1.000 mm, 0.0394 in Maximum RPM 24000 RPM Manufacturer UPC Number 4547359005271 Weight 0.13 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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NTN6300 Radial/Deep Groove Ball Bearing - Round Bore, 10 mm ID, 35 mm OD, 11 mm Width, Open, CN Internal Clearance Bore Type Round Bore Diameter 0.3937 in, 10.000 mm Outside Diameter 35.000 mm, 1.3780 in Overall Width 11.000 mm, 0.4331 in Closure Type Open Row Type & Fill Slot Single Row Non-Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range -40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 2040 lbf Static Load Capacity 780 lbf Precision Rating Class 0 Seal Type None Finish/Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 11.000 mm, 0.4331 in Outer Ring Width 0.4331 in; 11.000 mm Maximum RPM (Grease) 23000 RPM Maximum RPM (Oil) 27000 rpm Fillet Radius 0.600 mm, 0.0236 in Maximum RPM 27000 RPM Manufacturer UPC Number 4547359005233 Weight 0.12 lbs 1. Design features and characteristics Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings.    Types and codes N Shielded type Shielded type Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH Construction Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction. Torque Small Small Higher Medium Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type Water proofing Poor Poor Very good Good High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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