| Thread | M 20x1 | ||
| Width | B | 18 | mm |
| Inner diameter locating side face | d4 | 21 | mm |
| Width flat spanner | M | 36 | mm |
| Depth locating slot | h | 2 | mm |
| Outside diameter locating side face | d1 | 35 | mm |
| Outside diameter | d2 | 40 | mm |
| Diameter side face opposite to bearing | d5 | 32 | mm |
| Width locating slot | b | 5 | mm |
