BEARING / FA

NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ307W ,D=35   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ307W 35 80 21 1.5 1.1 46.2 　 66.5 65.5 8500 　 7500 9500 0.501 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ306W ,D=30   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ306W 30 72 19 1.1 1.1 40.5 　 53 50 9500 　 8500 10000 0.376 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ305W ,D=25   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ305W 25 62 17 1.1 1.1 34 　 41.5 37.5 11000 　 10000 12000 0.248 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ304W ,D=20   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ304W 20 52 15 1.1 0.6 27.5 　 31.5 26.9 13000 　 12000 15000 0.15 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2330M ,D=150   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2330M 150 320 108 4 4 193 　 1160 1600 2000 2400 1600 2000 45.3 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ236M ,D=180   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ236M 180 320 52 4 4 217 　 625 850 2200 3600 1900 2200 19    DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ234M ,D=170   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ234M 170 310 52 4 4 207 　 605 800 2400 3800 2000 2400 18.2    DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2328M ,D=140   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2328M 140 300 102 4 4 180 　 1020 1380 2200 2600 1700 2200 37.7 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2326M ,D=130   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2326M 130 280 93 4 4 167 　 920 1230 2400 3800 1900 2400 30.1 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2324M ,D=120   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2324M 120 260 86 3 3 154 　 795 1030 2600 4300 2000 2600 23.9 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2320W ,D=100   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2320W 100 215 73 3 3 127.5 　 570 715 3400 5000 2400 3000 13.7 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2319W ,D=95   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2319W 95 200 67 3 3 121.5 　 460 585 3800 5300 2600 3400 10.8 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2318W ,D=90   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2318W 90 190 64 3 3 113.5 　 435 535 4000 5600 2800 3400 9.25 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2317W ,D=85   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2317W 85 180 60 3 3 108 　 395 485 4300 6000 3000 3800 7.84 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2316W ,D=80   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2316W 80 170 58 2.1 2.1 101 　 355 430 4500 6300 3200 4000 6.7 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2315W ,D=75   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2315W 75 160 55 2.1 2.1 95 　 330 395 4800 6700 3400 4300 5.67 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2314W ,D=70   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2314W 70 150 51 2.1 2.1 89 　 274 325 5000 7100 3600 4500 4.61 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2313W ,D=65   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2313W 65 140 48 2.1 2.1 82.5 　 233 265 5600 7500 3800 4800 3.76 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2312W ,D=60   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2312W 60 130 46 2.1 2.1 77 　 222 262 5600 8500 4300 5300 3.14 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2311W ,D=55   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2311W 55 120 43 2 2 70.5 　 201 233 6000 9000 4500 5600 2.52 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2310W ,D=50   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2310W 50 110 40 2 2 65 　 163 187 6700 10000 5000 6300 1.98 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2309W ,D=45   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2309W 45 100 36 1.5 1.5 58.5 　 137 153 7100 11000 5300 6700 1.49   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2308W ,D=40   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2308W 40 90 33 1.5 1.5 52 　 114 122 8000 12000 6000 7500 1.1   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2307W ,D=35   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2307W 35 80 31 1.5 1.1 46.2 　 93 101 9000 14000 6700 8500 0.826 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2306W ,D=30   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2306W 30 72 27 1.1 1.1 40.5 　 74.5 77.5 9500 16000 8000 9500 0.598 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2305W ,D=25   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2305W 25 62 24 1.1 1.1 34 　 57 56 11000 18000 9000 11000 0.392 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2228W ,D=140   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2228W 140 250 68 3 3 169 　 550 790 3200 4000 2200 2800 15.3 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2226W ,D=130   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2226W 130 230 64 3 3 153.5 　 530 735 3400 4500 2400 3000 11.9   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2224W ,D=120   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2224W 120 215 58 2.1 2.1 143.5 　 450 620 3600 4800 2600 3200 9.54   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2222W ,D=110   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2222W 110 200 53 2.1 2.1 132.5 　 385 515 4000 5000 2800 3400 7.66   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2220W ,D=100   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2220W 100 180 46 2.1 2.1 119 　 335 445 4300 5600 3200 3800 5.31   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2219W ,D=95   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2219W 95 170 43 2.1 2.1 112.5 　 286 370 4500 6000 3400 4000 4.38   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2218W ,D=90   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2218W 90 160 40 2 2 107 　 242 315 4800 6300 3600 4300 3.57   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2217W ,D=85   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2217W 85 150 36 2 2 100.5 　 217 279 4800 6700 3800 4500 2.79   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2216W ,D=80   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2216W 80 140 33 2 2 95.3 　 186 243 5000 7100 4000 5000 2.22   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2215W ,D=75   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2215W 75 130 31 1.5 1.5 88.5 　 162 207 5300 7500 4300 5300 1.8 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2214W ,D=70   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2214W 70 125 31 1.5 1.5 83.5 　 156 194 5600 8000 4500 5600 1.7 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2213W ,D=65   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2213W 65 120 31 1.5 1.5 78.5 　 149 181 6000 8500 4800 6000 1.61 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2212W ,D=60   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2212W 60 110 28 1.5 1.5 72 　 131 157 6300 9500 5300 6300 1.22 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2211W ,D=55   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2211W 55 100 25 1.5 1.1 66 　 101 122 6700 10000 5600 7100 0.898 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2210W ,D=50   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2210W 50 90 23 1.1 1.1 59.5 　 83.5 97 7500 11000 6300 8000 0.657 DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2209W ,D=45   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2209W 45 85 23 1.1 1.1 54.5 　 76 84.5 8500 12000 6700 8500 0.608   DESIGN, TYPES, AND FEATURES   Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2208W ,D=40   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2208W 40 80 23 1.1 1.1 49.5 　 72.5 77.5 9000 13000 7500 9000 0.562    DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2207W ,D=35   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2207W 35 72 23 1.1 0.6 44 　 61.5 65.5 11000 15000 8500 10000 0.468    DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2206W ,D=30   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2206W 30 62 20 1 0.6 37.5 　 49 50 12000 17000 9500 12000 0.299    DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2205W ,D=25   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2205W 25 52 18 1 0.6 31.5 　 35 34.5 14000 　 12000 14000 0.189    DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ2204W ,D=20   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ2204W 20 47 18 1 0.6 27 　 20.7 18.4 19000 0 11000 13000 0.149    DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ232M ,D=160   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NJ232M 160 290 48 3 3 195 　 500 665 2600 4000 2200 2600 14.8    DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:     Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can sustain limited axial loads in one direction. Types NH and NUP can be used as fixed-end bearings. The NH type consists of NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars The inner ring loose rib of the NUP type should be mounted so that the marked side is on the outside.     If a cage is nonstandard for a given bearing number the number of rollers may vary; in such a case, the load rating will differ from that listed in the bearing tables. Many NN double-row bearings have tapered bores, and they are primarily used in the main spindles of machine tools. Cages are made of either molded polyphenylenesulfide (PPS) or machined brass.     □Formulation of Bearing Designations Single-Row Cylindrical Roller Bearing     ①Bearing type NU : Single-row cylindrical roller bearings(Outer ring with both ribs + Inner ring without rib) Please refer to page C124 for detailed information. ②Dimension Series  10 : 10 Series, 2: 02 Series, 22 : 22 Series, 3 : 03 Series, 23 : 23 Series, 4 : 04 Series, ③Bore number   Less than 03, Bearing bore 01 : 12mm, 02 : 15mm, 03 : 17mm Over 04, Bearing bore Bore number X 5 (mm) ④Internal design E : High load capacity ⑤Cage  W : Pressed-steel Cage, M : Machined Brass Cage, No designation : Machined-brass cage (in Series 10) T : Polyamide 66 resin cage, T7 : L-PPS resin cage ⑥Internal clearance  For All Radial Brgs.Omitted : CN clearance, C3 : Clearance greater than CN, C4 : Clearance greater than C3, CG : Special ClearanceFor Non-Interchangeable Cylindrical Roller BearingsCC : Normal Clearance, CC3 : Clearance greater than CC, CC4 : Clearance greater than CC3, CCG : Special Clearance ⑦Tolerance class  Omitted : ISO Normal，P6 : ISO Class 6，P5 : ISO Class 5，P4 : ISO Class 4 ⑧NSKHPSTM  & : NSKHPSTM Designation Tolerance Class : ISO Normal

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