| Grade Type | Premium |
| Width | 0.6200 |
| Outside Diameter | 2.8910 |
| Part Description | Taper Bearing Cup |
| Cup Radius (Inch) | 0.0310 |
| Cup Radius (MM) | 0.7870 |
| Cup Bore (Inch) | 2.8910 |
| Cup Bore (MM) | 73.4310 |
| Cup Length (Inch) | 0.6200 |
| Cup Length (MM) | 15.7480 |
| Heavy Duty Supplier | Yes |
| Part Terminology | Bearing Races |