Technical specifications| Locking elements family | VK129 |
| Shaft diameter | 44 mm |
| Hub diameter | 80 mm |
| H3 | 10.5 mm |
| Number of screws | 7 |
| Screws measure | M6 |
| Pa | 306 Kg/mm2 |
| Pn | 192 Kg/mm2 |
| Ma | 12 Kgm |
| Transmissible torque | 129 Kgm |
| H1 | 20 mm |
| Ht | 28 mm |
| H2 | 24 mm |
| FAX | 73 Kg |
| Hollow shaft int. diam. | 35 mm |
