Timken LM742748
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
LM742700
Cone Part Number
LM742748
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
659000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
171000 N
Dimensions
d - Cone Bore
215.900 mm
B - Cone Width
46.038 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
3.600 mm
da - Cone Frontface Backing Diameter
227 mm
db - Cone Backface Backing Diameter
233 mm
Ab - Cage-Cone Frontface Clearance
3.3 mm
Aa - Cage-Cone Backface Clearance
3.6 mm
a - Effective Center Location4
14.2 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
98100 N
C1 - Dynamic Radial Rating (1 million revolutions)6
378000 N
C0 - Static Radial Rating
807000 N
C7
80800 N
Factors
K - Factor8
1.21
G1 - Heat Generation Factor (Roller-Raceway)
808.2
G2 - Heat Generation Factor (Rib-Roller End)
210.6
Cg - Geometry Factor9
0.135
