74FC52400W KOYO Four-row cylindrical roller bearings

Brand Name:KOYO
Model Number:74FC52400W
Series:168000
Cone Part Number:EE168400
Cup Part Number:168500
Design Units:Imperial
Bearing Weight:266.900 Kg
Cage Type:Pin-Type
d:1016.000 mm
D:1270.000 mm
PDF 74FC52400W

Product Details

Series168000
Cone Part NumberEE168400
Cup Part Number168500
Design UnitsImperial
Bearing Weight266.900 Kg
Cage TypePin-Type
d1016.000 mm
D1270.000 mm
B - Cone Width101.600 mm
C - Cup Width66.675 mm
B101.600 mm
R - Cone Backface To Clear Radius19.650 mm
r - Cup Backface To Clear Radius29.65 mm
da - Cone Frontface Backing Diameter1055.12 mm
db - Cone Backface Backing Diameter1070.10 mm
Da - Cup Frontface Backing Diameter1273.56 mm
Db - Cup Backface Backing Diameter1210.06 mm
Ab - Cage-Cone Frontface Clearance4.3 mm
Aa - Cage-Cone Backface Clearance16 mm
a - Effective Center Location3127.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4166000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5640000 lbf
C0 - Static Radial Rating1800000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6140000 lbf
K - Factor71.19
e - ISO Factor80.49
Y - ISO Factor91.22
G1 - Heat Generation Factor (Roller-Raceway)22400
G2 - Heat Generation Factor (Rib-Roller End)3110.1
Cg - Geometry Factor0.402
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Company Profile

Phone 409-782-6227
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