Specifications of TIMKEN Bearing HM256849 - HM256810CD
Specifications
Series |
HM256800 |
Cone Part Number |
HM256849 |
Cup Part Number |
HM256810CD |
Design Unit |
Inch |
Bearing Weight |
158.42 lb71.86 Kg |
Cage Material |
Pin-Type |
Dimensions
d – Bore |
11.8125 in300.038 mm |
D – Cup Outer Diameter |
16.6250 in422.275 mm |
B – Cone Width |
3.2500 in82.550 mm |
C – Double Cup Width |
5.3750 in136.525 mm |
T – Bearing Width across Cones |
6.8750 in174.625 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 |
12.91 in328 mm |
Da – Cup Frontface Backing Diameter |
15.95 in405.10 mm |
Aa – Cage-Cone Backface Clearance |
0.22 in5.6 mm |
a – Effective Center Location3 |
-0.22 in-5.6 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
75600 lbf336000 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
508000 lbf2260000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
132000 lbf586000 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
43600 lbf194000 N |