Timken LM12749F
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Cone Part Number
LM12749F
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
67200 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
17400 N
Dimensions
d - Cone Bore
21.986 mm
B - Cone Width
16.637 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
1.270 mm
da - Cone Frontface Backing Diameter
26 mm
db - Cone Backface Backing Diameter
27.5 mm
Ab - Cage-Cone Frontface Clearance
0.51 mm
Aa - Cage-Cone Backface Clearance
0.51 mm
a - Effective Center Location4
-5.3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
10000 N
C1 - Dynamic Radial Rating (1 million revolutions)6
38600 N
C0 - Static Radial Rating
35300 N
C7
5250 N
Factors
K - Factor8
1.91
G1 - Heat Generation Factor (Roller-Raceway)
8.2
G2 - Heat Generation Factor (Rib-Roller End)
7.4
Cg - Geometry Factor9
0.048
