4CR950A KOYO Four-row cylindrical roller bearings

Brand Name:KOYO
Model Number:4CR950A
Series:HM237500
Cone Part Number:HM237540
Cup Part Number:HM237511
Design Units:Imperial
Bearing Weight:16 Kg
Cage Type:Stamped Steel
d:171.450 mm
D:288.925 mm
PDF 4CR950A

Product Details

SeriesHM237500
Cone Part NumberHM237540
Cup Part NumberHM237511
Design UnitsImperial
Bearing Weight16 Kg
Cage TypeStamped Steel
d171.450 mm
D288.925 mm
B - Cone Width63.5 mm
C - Cup Width47.625 mm
B63.505 mm
R - Cone Backface To Clear Radius17.110 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter188.98 mm
db - Cone Backface Backing Diameter199.9 mm
Da - Cup Frontface Backing Diameter271.30 mm
Db - Cup Backface Backing Diameter265.94 mm
Ab - Cage-Cone Frontface Clearance5.1 mm
Aa - Cage-Cone Backface Clearance5.1 mm
a - Effective Center Location3-11.7 mm
C90 - Dynamic Radial Rating (90 million revolutions)456900 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5219000 lbf
C0 - Static Radial Rating278000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)631100 lbf
K - Factor71.83
e - ISO Factor80.32
Y - ISO Factor91.88
G1 - Heat Generation Factor (Roller-Raceway)751.2
G2 - Heat Generation Factor (Rib-Roller End)101.5
Cg - Geometry Factor0.117
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Company Profile

Phone 409-782-6227
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