Specifications of TIMKEN Bearing M278749 - M278710D
Specifications
Series |
M278700 |
Cone Part Number |
M278749 |
Cup Part Number |
M278710D |
Design Unit |
Inch |
Bearing Weight |
1146.29 lb519.949 Kg |
Cage Material |
Pin-Type |
Dimensions
d – Bore |
22.5000 in571.5 mm |
D – Cup Outer Diameter |
32 in812.8 mm |
B – Cone Width |
6.1250 in155.575 mm |
C – Double Cup Width |
10.3750 in263.525 mm |
T – Bearing Width across Cones |
13.1249 in333.372 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.25 in6.4 mm |
r – Cup Backface “To Clear” Radius2 |
0.06 in1.5 mm |
db – Cone Backface Backing Diameter |
24.21 in615 mm |
Da – Cup Frontface Backing Diameter |
30.47 in773.90 mm |
Aa – Cage-Cone Backface Clearance |
0.53 in13.5 mm |
a – Effective Center Location3 |
-0.45 in-11.4 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
264000 lbf1180000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
1770000 lbf7890000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
460000 lbf2050000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
150000 lbf669000 N |