Specifications of TIMKEN Bearing HM256849DA - HM256810
Specifications
Series |
HM256800 |
Cone Part Number |
HM256849DA |
Cup Part Number |
HM256810 |
Design Unit |
Inch |
Bearing Weight |
3.5 lb1.6 Kg |
Cage Material |
Pin-Type |
Dimensions
d – Bore |
11.8125 in300.038 mm |
D – Cup Outer Diameter |
16.6250 in422.275 mm |
B – Double Cone Width |
5.9375 in150.813 mm |
C – Cup Width |
2.5 in63.5 mm |
T – Bearing Width across Cups |
5.9375 in150.813 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.25 in6.4 mm |
r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
da – Cone Frontface Backing Diameter |
12.785 in324.74 mm |
Db – Cup Backface Backing Diameter |
15.51 in393.95 mm |
Ab – Cage-Cone Frontface Clearance |
0.2 in5.1 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
75600 lbf336000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
508000 lbf2260000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
132000 lbf586000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 |
43600 lbf194000 N |