Timken DX281287
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Cone Part Number
DX281287
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
4710000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
1220000 N
Dimensions
d - Cone Bore
247.650 mm
B - Cone Width
123.825 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
6.35 mm
da - Cone Frontface Backing Diameter
278 mm
db - Cone Backface Backing Diameter
287 mm
Ab - Cage-Cone Frontface Clearance
0.8 mm
Aa - Cage-Cone Backface Clearance
8.1 mm
a - Effective Center Location4
-28.7 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
701000 N
C1 - Dynamic Radial Rating (1 million revolutions)6
2710000 N
C0 - Static Radial Rating
3630000 N
C7
399000 N
Factors
K - Factor8
1.76
G1 - Heat Generation Factor (Roller-Raceway)
2373.9
G2 - Heat Generation Factor (Rib-Roller End)
173.3
Cg - Geometry Factor9
0.173
