Timken M278749DW
Tapered Roller Bearings - Double Tapered Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
M278700
Cone Part Number
M278749DW
Design Units
Imperial
Cage Type
Pin-Type
C1 - Dynamic Radial Rating (1 million revolutions)1
4530000 N
C0 - Static Radial Rating
10600000 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
571.500 mm
B - Double Cone Width
285.750 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius2
3.300 mm
da - Cone Frontface Backing Diameter
609 mm
Ab - Cage-Cone Frontface Clearance
8.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
1180000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
7890000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
2050000 N
C6
669000 N
Factors
K - Factor7
1.76
G1 - Heat Generation Factor (Roller-Raceway)
12400
G2 - Heat Generation Factor (Rib-Roller End)
669
Cg - Geometry Factor8
0.299
