180FC12387 KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:180FC12387
Series:910000
Cone Part Number:EE911618
Cup Part Number:912400
Design Units:Imperial
Bearing Weight:77.2 Kg
Cage Type:Pin-Type
d:411.163 mm
D:609.600 mm

Product Details

Series910000
Cone Part NumberEE911618
Cup Part Number912400
Design UnitsImperial
Bearing Weight77.2 Kg
Cage TypePin-Type
d411.163 mm
D609.600 mm
B - Cone Width84.138 mm
C - Cup Width60.325 mm
B92.075 mm
R - Cone Backface To Clear Radius16.860 mm
r - Cup Backface To Clear Radius26.35 mm
da - Cone Frontface Backing Diameter442.98 mm
db - Cone Backface Backing Diameter447.04 mm
Da - Cup Frontface Backing Diameter570.70 mm
Db - Cup Backface Backing Diameter566.93 mm
Ab - Cage-Cone Frontface Clearance7.6 mm
Aa - Cage-Cone Backface Clearance16.8 mm
a - Effective Center Location311.9 mm
C90 - Dynamic Radial Rating (90 million revolutions)4107000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5414000 lbf
C0 - Static Radial Rating645000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)670400 lbf
K - Factor71.52
e - ISO Factor80.38
Y - ISO Factor91.57
G1 - Heat Generation Factor (Roller-Raceway)3251.1
G2 - Heat Generation Factor (Rib-Roller End)349.1
Cg - Geometry Factor0.199
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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