Timken M270749A
Tapered Roller Bearings - Single Cones - Imperial
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Series
M270700
Cone Part Number
M270749A
Design Units
Imperial
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
5370000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
1390000 N
Dimensions
d - Cone Bore
447.675 mm
B - Cone Width
120.650 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius3
6.4 mm
da - Cone Frontface Backing Diameter
474 mm
db - Cone Backface Backing Diameter
484 mm
Ab - Cage-Cone Frontface Clearance
6.6 mm
Aa - Cage-Cone Backface Clearance
9.4 mm
a - Effective Center Location4
-8.1 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)5
799000 N
C1 - Dynamic Radial Rating (1 million revolutions)6
3080000 N
C0 - Static Radial Rating
5900000 N
C7
455000 N
Factors
K - Factor8
1.76
G1 - Heat Generation Factor (Roller-Raceway)
6459.9
G2 - Heat Generation Factor (Rib-Roller End)
454.8
Cg - Geometry Factor9
0.241
