Timken M257149DW
Tapered Roller Bearings - Double Tapered Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
Series
M257100
Cone Part Number
M257149DW
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (1 million revolutions)1
1200000 N
C0 - Static Radial Rating
2120000 N
Dimensions
d - Cone Bore
304.8 mm
B - Double Cone Width
130.175 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius2
1.5 mm
da - Cone Frontface Backing Diameter
322 mm
Ab - Cage-Cone Frontface Clearance
4.6 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
310000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4
2080000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5
540000 N
C6
176000 N
Factors
K - Factor7
1.76
G1 - Heat Generation Factor (Roller-Raceway)
2160
G2 - Heat Generation Factor (Rib-Roller End)
303
Cg - Geometry Factor8
0.167
