| Bore diameter | d | 20 | mm |
| Width | B | 18 | mm |
| Shoulder/recess diameter of outer ring | D1 | ≈44.2 | |
| diameter of lubrication hole | S | 2 | mm |
| Outside diameter | d2 | 52 | mm |
| Shoulder diameter of inner ring | d2 | ≈31.3 | |
| Width of lubrication groove | b | 3.70 | mm |
| chamfer dimension | rmin | min.1 |
