Technical specifications| Locking elements family | VK550 |
| Shaft diameter | 22 mm |
| Hub diameter | 35 mm |
| Ht | 18 mm |
| Screws measure | NULL |
| Pa | 15.2 Kg/mm2 |
| Pn | 10.5 Kg/mm2 |
| Ma | 22 Kgm |
| Transmissible torque | 7.3 Kgm |
| FAX | 660 Kg |
| H | 6.5 mm |
| Filettatura ghiera | 30x1,5 |
Technical specifications