4CR680D KOYO Four-row cylindrical roller bearings

Brand Name:KOYO
Model Number:4CR680D
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
PDF 4CR680D

Product Details

Series19000
Cone Part Number19153X
Cup Part Number19283
Design UnitsImperial
Bearing Weight0.30 Kg
Cage TypeStamped Steel
d38.496 mm
D71.999 mm
B - Cone Width16.520 mm
C - Cup Width14.288 mm
B17.021 mm
R - Cone Backface To Clear Radius11.270 mm
r - Cup Backface To Clear Radius21.52 mm
da - Cone Frontface Backing Diameter43.43 mm
db - Cone Backface Backing Diameter44.96 mm
Da - Cup Frontface Backing Diameter66.50 mm
Db - Cup Backface Backing Diameter62.99 mm
Ab - Cage-Cone Frontface Clearance2.3 mm
Aa - Cage-Cone Backface Clearance0.8 mm
a - Effective Center Location3-1.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)42960 lbf
C1 - Dynamic Radial Rating (1 million revolutions)511400 lbf
C0 - Static Radial Rating13000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62250 lbf
K - Factor71.31
e - ISO Factor80.44
Y - ISO Factor91.35
G1 - Heat Generation Factor (Roller-Raceway)17.5
G2 - Heat Generation Factor (Rib-Roller End)11.5
Cg - Geometry Factor0.0694
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Company Profile

Phone 409-782-6227
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