4CR420A KOYO Four-row cylindrical roller bearings - TIMKEN BEARING MFG.CORP

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4CR420A KOYO Four-row cylindrical roller bearings image

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4CR420A KOYO Four-row cylindrical roller bearings Product Description

Cone Part Number:K38880
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:86700 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:22500 lbf
d:10.3750 in
B - Cone Width:1.1250 in
R - Cone Backface To Clear Radius3:0.06 in
da - Cone Frontface Backing Diameter:10.83 in
db - Cone Backface Backing Diameter:10.83 in
Ab - Cage-Cone Frontface Clearance:0.1 in
Aa - Cage-Cone Backface Clearance:0.01 in
a - Effective Center Location4:0.8 in
C90 - Dynamic Radial Rating (90 million revolutions)5:12900 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6:49800 lbf
C0 - Static Radial Rating:125000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:8080 lbf
K - Factor8:1.6
G1 - Heat Generation Factor (Roller-Raceway):1028.2
G2 - Heat Generation Factor (Rib-Roller End):496.4
Cg - Geometry Factor:0.168

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TIMKEN BEARING MFG.CORP: Address346 North Bower Road, Macomb, IL 61336-2501 U.S.A.; Phone(Working Time)409-782-6227; Fax

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