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| Outside diameter | d2 | 52 | mm |
| Width | B | 20.60 | mm |
| Recess diameter outer ring | D1 | ≈40.9 | |
| Distance pressure points | a | 28 | mm |
| Bore diameter | d | 20 | mm |
| Shoulder/recess diameter inner ring | d1 | ≈27.7 | |
| chamfer dimension | rmin | min.1 |