4CR545 KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:4CR545
Series:29600
Cone Part Number:29685N
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:43300 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:11200 lbf
d:2.8750 in
B - Cone Width:1.0000 in
PDF 4CR545

Product Details

Series29600
Cone Part Number29685N
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)143300 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)211200 lbf
d2.8750 in
B - Cone Width1.0000 in
R - Cone Backface To Clear Radius30.14 in
da - Cone Frontface Backing Diameter3.19 in
db - Cone Backface Backing Diameter3.43 in
Ab - Cage-Cone Frontface Clearance0.08 in
Aa - Cage-Cone Backface Clearance0.08 in
a - Effective Center Location40.04 in
C90 - Dynamic Radial Rating (90 million revolutions)56440 lbf
C1 - Dynamic Radial Rating (1 million revolutions)624800 lbf
C0 - Static Radial Rating37200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)75370 lbf
K - Factor81.2
G1 - Heat Generation Factor (Roller-Raceway)77.7
G2 - Heat Generation Factor (Rib-Roller End)43.3
Cg - Geometry Factor0.117
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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