Timken LM742749AA – LM742710
Tapered Roller Bearings-TS(Tapered Single)Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
LM742700
Cone Part Number
LM742749AA
Cup Part Number
LM742710
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
215.900 mm
D - Cup Outer Diameter
285.750 mm
B - Cone Width
46.038 mm
C - Cup Width
34.925 mm
T - Bearing Width
46.038 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
8.900 mm
r - Cup Backface "To Clear" Radius2
3.30 mm
da - Cone Frontface Backing Diameter
227 mm
db - Cone Backface Backing Diameter
242 mm
Da - Cup Frontface Backing Diameter
278.90 mm
Db - Cup Backface Backing Diameter
265.94 mm
Ab - Cage-Cone Frontface Clearance
3 mm
Aa - Cage-Cone Backface Clearance
4.6 mm
a - Effective Center Location3
14.2 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)4
111000 N
C1 - Dynamic Radial Rating (1 million revolutions)5
430000 N
C0 - Static Radial Rating
892000 N
C6
91800 N
Factors
K - Factor7
1.21
e - ISO Factor8
0.48
Y - ISO Factor9
1.25
G1 - Heat Generation Factor (Roller-Raceway)
866.9
G2 - Heat Generation Factor (Rib-Roller End)
225.2
Cg - Geometry Factor10
0.139
