Technical specifications| Locking elements family | VK550 |
| Shaft diameter | 35 mm |
| Hub diameter | 45 mm |
| Ht | 21.5 mm |
| Screws measure | NULL |
| Pa | 15.3 Kg/mm2 |
| Pn | 12 Kg/mm2 |
| Ma | 48 Kgm |
| Transmissible torque | 23 Kgm |
| FAX | 1310 Kg |
| H | 8 mm |
| Filettatura ghiera | 40x1,5 |
Technical specifications