Specifications of TIMKEN Bearing M257248DW - M257210
Specifications
Series |
M257200 |
Cone Part Number |
M257248DW |
Cup Part Number |
M257210 |
Design Unit |
Inch |
Bearing Weight |
4.5 lb2 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
12.0040 in304.902 mm |
D – Cup Outer Diameter |
16.2460 in412.648 mm |
B – Double Cone Width |
5.0625 in128.588 mm |
C – Cup Width |
2.125 in53.975 mm |
T – Bearing Width across Cups |
5.0624 in128.585 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.13 in3.3 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
12.8 in325 mm |
Db – Cup Backface Backing Diameter |
15.28 in388.1 mm |
Ab – Cage-Cone Frontface Clearance |
0.14 in3.6 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
65000 lbf289000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
437000 lbf1940000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
113000 lbf504000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 |
35500 lbf158000 N |