Timken HM256849
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
HM256800
Cone Part Number
HM256849
Design Units
Imperial
Cage Type
Pin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
2260000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
586000 N
Dimensions
d - Cone Bore
300.038 mm
B - Cone Width
82.550 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
6.4 mm
da - Cone Frontface Backing Diameter
319 mm
db - Cone Backface Backing Diameter
328 mm
Ab - Cage-Cone Frontface Clearance
5.1 mm
Aa - Cage-Cone Backface Clearance
5.6 mm
a - Effective Center Location4
-5.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
336000 N
C1 - Dynamic Radial Rating (1 million revolutions)6
1300000 N
C0 - Static Radial Rating
2770000 N
C7
194000 N
Factors
K - Factor8
1.73
G1 - Heat Generation Factor (Roller-Raceway)
2550
G2 - Heat Generation Factor (Rib-Roller End)
282
Cg - Geometry Factor9
0.178
