| Bore diameter | d | 280 | mm |
| Width | B | 65 | mm |
| Shoulder diameter of inner ring (small side face) | d2 | ≈309.85 | |
| Distance side face to pressure point | a | 179 | mm |
| Outside diameter | d2 | 420 | mm |
| Shoulder diameter of inner ring (large side face) | d1 | ≈334.9 | |
| Shoulder diameter of outer ring (large side face) | D1 | ≈368.65 | |
| chamfer dimension | rmin | min.1.5 |
