Timken M255449D
Tapered Roller Bearings - Double Tapered Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
M255400
Cone Part Number
M255449D
Design Units
Imperial
Cage Type
Pin-Type
C1 - Dynamic Radial Rating (1 million revolutions)1
1190000 N
C0 - Static Radial Rating
2520000 N
Note
This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.
Dimensions
d - Cone Bore
288.925 mm
B - Double Cone Width
144.463 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius2
3.300 mm
da - Cone Frontface Backing Diameter
310 mm
Ab - Cage-Cone Frontface Clearance
5.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
308000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
2070000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
537000 N
C6
179000 N
Factors
K - Factor7
1.73
G1 - Heat Generation Factor (Roller-Raceway)
2300
G2 - Heat Generation Factor (Rib-Roller End)
287
Cg - Geometry Factor8
0.172
