JLM722948/JLM722912 TIMKEN Cylindrical Roller Radial Bearings
Brand Name:TIMKEN
Model Number:JLM722948/JLM722912
Series:HM259000
Cone Part Number:HM259048WS
Design Units:Imperial
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:661000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:171000 lbf
d:12.5000 in
B - Cone Width:3.3750 in
PDF JLM722948/JLM722912

Product Details

SeriesHM259000
Cone Part NumberHM259048WS
Design UnitsImperial
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1661000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2171000 lbf
d12.5000 in
B - Cone Width3.3750 in
R - Cone Backface To Clear Radius30.14 in
da - Cone Frontface Backing Diameter13.27 in
db - Cone Backface Backing Diameter13.43 in
Ab - Cage-Cone Frontface Clearance0.2 in
Aa - Cage-Cone Backface Clearance0.21 in
a - Effective Center Location4-0.19 in
C90 - Dynamic Radial Rating (90 million revolutions)598500 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6380000 lbf
C0 - Static Radial Rating628000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)756500 lbf
K - Factor81.74
G1 - Heat Generation Factor (Roller-Raceway)2711.5
G2 - Heat Generation Factor (Rib-Roller End)280.9
Cg - Geometry Factor0.181
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Company Profile

KRF bearing Co., Ltd
Phone 765-685-2500
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