NTN Deep Groove Ball Bearings 6021ZZ, D=105

Description

NTN Deep Groove Ball Bearings  6021ZZ, D=105

Radial/Deep Groove Ball Bearing - Round Bore, 105 mm ID, 160 mm OD, 26 mm Width, Double Shielded, CN Internal Clearance




SPECIFICATIONS


Bore Type Round
Bore Diameter 105 mm
Outside Diameter 160 mm
Overall Width 26 mm
Closure Type Double Shielded
Row Type & Fill Slot Single Row Non-Fill Slot
Snap Ring Included Without Snap Ring
Internal Clearance CN
Operating Temperature Range -40 to 250 ºF
Cage Type Pressed
Dynamic Load Capacity 18090 lbf
Static Load Capacity 14700 lbf
Precision Rating ISO Class 0
Seal Type None
Finish/Coating Uncoated
Bearing Material High Carbon Chrome Steel
Cage Material Steel
Inner Ring Width 26.000 mm, 1.0236 in
Outer Ring Width 1.0236 in; 26.000 mm
Maximum RPM (Grease) 4000 RPM
Fillet Radius 2.000 mm, 0.0787 in
Manufacturer UPC Number 4547359337211
Weight 3.527 lbs
Harmonization Code 8482.10.5056








1. Design features and characteristics

Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings. 

 

Types and codes N Shielded type Shielded type
Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH
Construction
Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction.
Torque Small Small Higher Medium
Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type
Water proofing Poor Poor Very good Good
High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type
Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

Product form

NTN Deep Groove Ball Bearings  6021ZZ, D=105 Radial/Deep Groove Ball Bearing - Round Bore, 105 mm ID, 160 mm OD,... Read more

SKU: 6021ZZ

$95.32 Excl. VAT

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    Description

    NTN Deep Groove Ball Bearings  6021ZZ, D=105

    Radial/Deep Groove Ball Bearing - Round Bore, 105 mm ID, 160 mm OD, 26 mm Width, Double Shielded, CN Internal Clearance




    SPECIFICATIONS


    Bore Type Round
    Bore Diameter 105 mm
    Outside Diameter 160 mm
    Overall Width 26 mm
    Closure Type Double Shielded
    Row Type & Fill Slot Single Row Non-Fill Slot
    Snap Ring Included Without Snap Ring
    Internal Clearance CN
    Operating Temperature Range -40 to 250 ºF
    Cage Type Pressed
    Dynamic Load Capacity 18090 lbf
    Static Load Capacity 14700 lbf
    Precision Rating ISO Class 0
    Seal Type None
    Finish/Coating Uncoated
    Bearing Material High Carbon Chrome Steel
    Cage Material Steel
    Inner Ring Width 26.000 mm, 1.0236 in
    Outer Ring Width 1.0236 in; 26.000 mm
    Maximum RPM (Grease) 4000 RPM
    Fillet Radius 2.000 mm, 0.0787 in
    Manufacturer UPC Number 4547359337211
    Weight 3.527 lbs
    Harmonization Code 8482.10.5056








    1. Design features and characteristics

    Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings. 

     

    Types and codes N Shielded type Shielded type
    Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH
    Construction
    Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction.
    Torque Small Small Higher Medium
    Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type
    Water proofing Poor Poor Very good Good
    High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type
    Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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