4CR32 KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:4CR32
Series:575
Cone Part Number:581
Cup Part Number:572DC
Design Units:Imperial
Bearing Weight:10.5 lb
Cage Type:Stamped Steel
Ab - Cage-Cone Frontface Clearance:0.1 in
d:3.1875 in

Product Details

Series575
Cone Part Number581
Cup Part Number572DC
Design UnitsImperial
Bearing Weight10.5 lb
Cage TypeStamped Steel
Ab - Cage-Cone Frontface Clearance0.1 in
d3.1875 in
D5.5115 in
B - Cone Width1.4212 in
C - Double Cup Width2.6250 in
T - Bearing Width across Cones3.2500 in
R - Cone Backface To Clear Radius10.14 in
r - Cup Frontface To Clear Radius20.03 in
db - Cone Backface Backing Diameter3.78 in
Da - Cup Frontface Backing Diameter5.25 in
Aa - Cage-Cone Backface Clearance0.12 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)312100 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)480900 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)521000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)68330 lbf
K - Factor71.45
e - ISO Factor80.4
Y1 - ISO Factor91.67
Y2 - ISO Factor102.49
G1 - Heat Generation Factor (Roller-Raceway)11126
G2 - Heat Generation Factor (Rib-Roller End)32
Cg - Geometry Factor120.13
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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