Timken LM78349A
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Cone Part Number
LM78349A
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
87700 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
22700 N
Dimensions
d - Cone Bore
34.989 mm
B - Cone Width
17.000 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
1.520 mm
da - Cone Frontface Backing Diameter
39.5 mm
db - Cone Backface Backing Diameter
42 mm
Ab - Cage-Cone Frontface Clearance
1.8 mm
Aa - Cage-Cone Backface Clearance
0.3 mm
a - Effective Center Location4
-2.5 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
13100 N
C1 - Dynamic Radial Rating (1 million revolutions)6
50400 N
C0 - Static Radial Rating
52400 N
C7
9940 N
Factors
K - Factor8
1.31
G1 - Heat Generation Factor (Roller-Raceway)
16.1
G2 - Heat Generation Factor (Rib-Roller End)
13.8
Cg - Geometry Factor9
0.0678
