4CR680D KOYO Four-row cylindrical roller bearings - TIMKEN BEARING MFG.CORP

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4CR680D KOYO Four-row cylindrical roller bearings image

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4CR680D KOYO Four-row cylindrical roller bearings Systems

Series:19000
Cone Part Number:19153X
Cup Part Number:19283
Design Units:Imperial
Bearing Weight:0.30 Kg
Cage Type:Stamped Steel
d:38.496 mm
D:71.999 mm
B - Cone Width:16.520 mm
C - Cup Width:14.288 mm
B:17.021 mm
R - Cone Backface To Clear Radius1:1.270 mm
r - Cup Backface To Clear Radius2:1.52 mm
da - Cone Frontface Backing Diameter:43.43 mm
db - Cone Backface Backing Diameter:44.96 mm
Da - Cup Frontface Backing Diameter:66.50 mm
Db - Cup Backface Backing Diameter:62.99 mm
Ab - Cage-Cone Frontface Clearance:2.3 mm
Aa - Cage-Cone Backface Clearance:0.8 mm
a - Effective Center Location3:-1.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:2960 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:11400 lbf
C0 - Static Radial Rating:13000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:2250 lbf
K - Factor7:1.31
e - ISO Factor8:0.44
Y - ISO Factor9:1.35
G1 - Heat Generation Factor (Roller-Raceway):17.5
G2 - Heat Generation Factor (Rib-Roller End):11.5
Cg - Geometry Factor:0.0694

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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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