Product Details

Bearing 638-2RD KOYO

Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Y - ISO Factor31.8
D6.7812 in
Da - Cup Frontface Backing Diameter6.61 in
e - ISO Factor20.33
C - Cup Width1.0938 in
Db - Cup Backface Backing Diameter6.38 in
Cup Part NumberM224711
r - Cup Backface To Clear Radius10.06 in
Design UnitsImperial
Cg - Geometry Factor0.158

Bearing 638-2RD KOYO Specifications


  • Bearing 637H-2RS AST

    D:5.3750 in; da - Cone Frontface Backing Diameter:3.11 in; Ca90 - Dynamic Thrust Rating (90 million revolutions)6:14800 lbf; Bearing Weight:9.5 lb; Design Units:Imperial; Y1 - ISO Factor9:0.78; R - Cone Frontface To Clear Radius1:0.060 in; C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:66900 lbf; Aa - Cage-Cone Backface Clearance:0 in; Db - Cup Backface Backing Diameter:4.53 in;
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  • Bearing 637ZZ KOYO

    Flange O.D. H(φ):120; RoHS:6; Volume Discount:Available; Bearing Material:52100 Bearing Steel; Housing Material:1045 Carbon Steel; Days to Ship:12 Days or more; Number of Bearings:Double; Bearing Material:52100 Bearing Steel; Width T(mm):40; Bearing Used:Angular Contact Bear;
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  • Bearing 637H AST

    Dimension R:6.5 in; Bolt Size:4 x M12; Note:This product line wa; Seal Type:Kevlar Packing Seal; Cr - Dynamic Load Rating:14613 lbf; Cor - Static Load Rating:15287 lbf; Bearing - Housing - Seal:LSE103BRHKPS; Bearing Type:Split Cylindrical Re; Dimension P:0.5 in; Series Type:Light Series;
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  • Bearing 638 NSK

    Types:16**/6*** series; B:8; RoHS:6; Type:Ball; Retainer Type:Punching; Outer Ring Shape:Flat; Size Standards:Metric System; Load Direction:Radial; Precision:Grade 0; Grease symbol:/LP03;
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  • Bearing 638 ISB

    Type:Bearings with Housin; Bearing Used:Deep Groove Ball Bea; Number of Bearings:Double; Bearing Retained:Yes (with retaining; Bearing I.D. d(mm):30; Type:Bearings with Housin; Bearing Retained:Yes (with retaining; Seals:DD (Contact Rubber S; Flange Shape:Round Type; Housing Material:1045 Carbon Steel;
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  • Bearing 638 VV NSK

    D:5.3750 in; da - Cone Frontface Backing Diameter:3.11 in; Ca90 - Dynamic Thrust Rating (90 million revolutions)6:14800 lbf; Bearing Weight:9.5 lb; Design Units:Imperial; Y1 - ISO Factor9:0.78; R - Cone Frontface To Clear Radius1:0.060 in; C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:66900 lbf; Aa - Cage-Cone Backface Clearance:0 in; Db - Cup Backface Backing Diameter:4.53 in;
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  • Bearing 638 ISO

    B - Cone Width:59 mm; G1 - Heat Generation Factor (Roller-Raceway):541.5; C1 - Dynamic Radial Rating (1 million revolutions)6:561000 N; db - Cone Backface Backing Diameter:169 mm; C0 - Static Radial Rating:949000 N; R - Cone Backface To Clear Radius3:3 mm; Aa - Cage-Cone Backface Clearance:4.6 mm; Cone Part Number:X33030M; da - Cone Frontface Backing Diameter:161 mm; Cg - Geometry Factor:0.132;
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  • Bearing 637ZZ FBJ

    Unit, Type:Bearing Unit with Fr; Days to Ship:9 Days or more; Rolling Element Material:Bearing Steel; Unit Body Material:Shaped steel/Groove-; Bearing Inner Dia. Shape:Cylindrical Bore Set; Fit:J7; Basic Load Rating, Static Rating(N):23300; Accessory:No Cover; Unit, Type:Bearing Unit with Fr; Unit Body Material:Shaped steel/Groove-;
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  • Bearing 638 ZZ1 NSK

    Dimension R:6.5 in; Bolt Size:4 x M12; Note:This product line wa; Seal Type:Kevlar Packing Seal; Cr - Dynamic Load Rating:14613 lbf; Cor - Static Load Rating:15287 lbf; Bearing - Housing - Seal:LSE103BRHKPS; Bearing Type:Split Cylindrical Re; Dimension P:0.5 in; Series Type:Light Series;
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  • Bearing 638 FBJ

    Type:Bearings with Housin; Bearing Used:Deep Groove Ball Bea; Number of Bearings:Double; Bearing Retained:Yes (with retaining; Bearing I.D. d(mm):30; Type:Bearings with Housin; Bearing Retained:Yes (with retaining; Seals:DD (Contact Rubber S; Flange Shape:Round Type; Housing Material:1045 Carbon Steel;
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  • Bearing 637ZZ ISO

    Type:Bearings with Housin; Bearing Used:Deep Groove Ball Bea; Number of Bearings:Double; Bearing Retained:Yes (with retaining; Bearing I.D. d(mm):30; Type:Bearings with Housin; Bearing Retained:Yes (with retaining; Seals:DD (Contact Rubber S; Flange Shape:Round Type; Housing Material:1045 Carbon Steel;
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  • Bearing 638 DD NSK

    D:5.3750 in; da - Cone Frontface Backing Diameter:3.11 in; Ca90 - Dynamic Thrust Rating (90 million revolutions)6:14800 lbf; Bearing Weight:9.5 lb; Design Units:Imperial; Y1 - ISO Factor9:0.78; R - Cone Frontface To Clear Radius1:0.060 in; C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:66900 lbf; Aa - Cage-Cone Backface Clearance:0 in; Db - Cup Backface Backing Diameter:4.53 in;
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  • Bearing 637HZZ AST

    a - Effective Center Location4:1.52 in; Cage Type:Stamped Steel; Aa - Cage-Cone Backface Clearance:0.65 in; d:16.0000 in; Design Units:Imperial; Ca90 - Dynamic Thrust Rating (90 million revolutions)7:55000 lbf; R - Cone Backface To Clear Radius3:0.270 in; db - Cone Backface Backing Diameter:17.4 in; da - Cone Frontface Backing Diameter:16.97 in; Cone Part Number:EE285160;
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  • Bearing 638 ZEN

    Unit, Type:Bearing Unit with Fr; Days to Ship:9 Days or more; Rolling Element Material:Bearing Steel; Unit Body Material:Shaped steel/Groove-; Bearing Inner Dia. Shape:Cylindrical Bore Set; Fit:J7; Basic Load Rating, Static Rating(N):23300; Accessory:No Cover; Unit, Type:Bearing Unit with Fr; Unit Body Material:Shaped steel/Groove-;
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Bearing 638-2RD KOYO

Bearing 638-2RD KOYO Cad Models

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