TIMKEN 64450-90109 Tapered Roller Bearing Assemblies

Cone Part Number: HM125943
Design Units: Imperial
Cage Type: Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: 175000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: 45300 lbf
d: 4.7224 in
B - Cone Width: 2.3750 in
R - Cone Backface To Clear Radius3: 0.13 in
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Product Details

Cone Part Number HM125943
Design Units Imperial
Cage Type Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 175000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 45300 lbf
d 4.7224 in
B - Cone Width 2.3750 in
R - Cone Backface To Clear Radius3 0.13 in
da - Cone Frontface Backing Diameter 5.28 in
db - Cone Backface Backing Diameter 5.39 in
Ab - Cage-Cone Frontface Clearance 0.04 in
Aa - Cage-Cone Backface Clearance 0.07 in
a - Effective Center Location4 -0.56 in
C90 - Dynamic Radial Rating (90 million revolutions)5 26000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6 100000 lbf
C0 - Static Radial Rating 155000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 13500 lbf
K - Factor8 1.92
G1 - Heat Generation Factor (Roller-Raceway) 359.7
G2 - Heat Generation Factor (Rib-Roller End) 46.4
Cg - Geometry Factor 0.115
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