Specifications of TIMKEN Bearing 9278 - 9221-B
Specifications
| Series |
9200 |
| Cone Part Number |
9278 |
| Cup Part Number |
9221-B |
| Design Unit |
Inch |
| Bearing Weight |
10.1 lb4.6 Kg |
| Cage Material |
Stamped Steel |
Dimensions
| d – Bore |
2 11/16 in68.263 mm |
| D – Cup Outer Diameter |
6.375 in161.925 mm |
| D1 – Flange Outer Diameter |
6.7500 in171.450 mm |
| B – Cone Width |
1.8125 in46.038 mm |
| C – Cup Width |
1.1875 in30.163 mm |
| C1 – Cup Flange Width |
0.2810 in7.137 mm |
| T1 – Bearing Width to Flange |
0.9685 in24.600 mm |
Abutment and Fillet Dimensions
| R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
| r – Cup Backface “To Clear” Radius2 |
0.130 in3.3 mm |
| da – Cone Frontface Backing Diameter |
3.5 in89 mm |
| db – Cone Backface Backing Diameter |
4.17 in106 mm |
| Da – Cup Frontface Backing Diameter |
6.04 in153.42 mm |
| Ab – Cage-Cone Frontface Clearance |
0.18 in4.6 mm |
| Aa – Cage-Cone Backface Clearance |
0.33 in8.4 mm |
| a – Effective Center Location3 |
0 in0 mm |
