| Attachment diameter | d | 20 | mm |
| chamfer dimension | rmin | min.1 | |
| Diameter of lubrication hole (shank) | M1 | 4 | mm |
| Length thread | G1 | 21 | mm |
| Outside diameter flange ring | d1 | 31 | mm |
| Distance lubrication hole to flange ring | B2 | 9 | mm |
| Width Outer ring | C | 24 | mm |
| Outside diameter | d2 | 52 | mm |
| Width across flats | SW | 10 | mm |
| Seat diameter for lubrication accessories | M | 6 | mm |
| Thread stud | G | M 20x1.5 | |
| Distance face outer ring to face side washer | C1 | 0.80 | mm |
| Length shank on stud | B1 | 40.50 | mm |
| Total length | B | 66 | mm |
