Timken M268742
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
M268700
Cone Part Number
M268742
Design Units
Imperial
Cage Type
Pin-Type
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
4970000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
1290000 N
Dimensions
d - Cone Bore
419.989 mm
B - Cone Width
114.300 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
1.5 mm
da - Cone Frontface Backing Diameter
444 mm
db - Cone Backface Backing Diameter
444 mm
Ab - Cage-Cone Frontface Clearance
8.4 mm
Aa - Cage-Cone Backface Clearance
8.6 mm
a - Effective Center Location4
-9.4 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
740000 N
C1 - Dynamic Radial Rating (1 million revolutions)6
2860000 N
C0 - Static Radial Rating
5550000 N
C7
421000 N
Factors
K - Factor8
1.76
G1 - Heat Generation Factor (Roller-Raceway)
5754.9
G2 - Heat Generation Factor (Rib-Roller End)
420.9
Cg - Geometry Factor9
0.232
