Timken LL660749A
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Cone Part Number
LL660749A
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
524000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
136000 N
Dimensions
d - Cone Bore
338.138 mm
B - Cone Width
33.338 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
3.300 mm
da - Cone Frontface Backing Diameter
350 mm
db - Cone Backface Backing Diameter
353 mm
Ab - Cage-Cone Frontface Clearance
2.3 mm
Aa - Cage-Cone Backface Clearance
1 mm
a - Effective Center Location4
33.3 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
78100 N
C1 - Dynamic Radial Rating (1 million revolutions)6
301000 N
C0 - Static Radial Rating
827000 N
C7
55600 N
Factors
K - Factor8
1.4
G1 - Heat Generation Factor (Roller-Raceway)
1790.4
G2 - Heat Generation Factor (Rib-Roller End)
757.8
Cg - Geometry Factor9
0.209
