Timken M255449H
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
M255400
Cone Part Number
M255449H
Design Units
Imperial
Cage Type
Pin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
2380000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
616000 N
Dimensions
d - Cone Bore
288.925 mm
B - Cone Width
77.788 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
6.4 mm
da - Cone Frontface Backing Diameter
311 mm
db - Cone Backface Backing Diameter
317 mm
Ab - Cage-Cone Frontface Clearance
5.6 mm
Aa - Cage-Cone Backface Clearance
3.8 mm
a - Effective Center Location4
-4.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
354000 N
C1 - Dynamic Radial Rating (1 million revolutions)6
1360000 N
C0 - Static Radial Rating
2520000 N
C7
205000 N
Factors
K - Factor8
1.73
G1 - Heat Generation Factor (Roller-Raceway)
2301.3
G2 - Heat Generation Factor (Rib-Roller End)
287.6
Cg - Geometry Factor9
0.172
