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