Technical specifications| Locking elements family | VK450 |
| Shaft diameter | 55 mm |
| Hub diameter | 83 mm |
| Ht | 36 mm |
| Number of screws | 16 |
| Screws measure | M8x22 |
| Pa | 19.5 Kg/mm2 |
| Pn | 12.5 Kg/mm2 |
| Ma | 4 Kgm |
| Transmissible torque | 205 Kgm |
| H | 18 mm |
| H1 | 28 mm |
| FAX | 7300 Kg |
Technical specifications