Technical specifications| Locking elements family | VK156 |
| Shaft diameter | 20 mm |
| Hub diameter | 55 mm |
| Ht | 39 mm |
| Number of screws | 4 |
| Pn | 13.5 Kg/mm2 |
| Ma | 4.1 Kgm |
| Transmissible torque | 40 Kgm |
| H | 31 mm |
| H1 | 22 mm |
| H2 | 17 mm |
| Screws measure | M8x25 |
| FAX | 3000 Kg |
Technical specifications