Technical specifications| Locking elements family | VK129 |
| Shaft diameter | 50 mm |
| Hub diameter | 90 mm |
| H3 | 11.5 mm |
| Number of screws | 8 |
| Screws measure | M6 |
| Pa | 280 Kg/mm2 |
| Pn | 179 Kg/mm2 |
| Ma | 12 Kgm |
| Transmissible torque | 173 Kgm |
| H1 | 22 mm |
| Ht | 30 mm |
| H2 | 26 mm |
| FAX | 86 Kg |
| Hollow shaft int. diam. | 40 mm |
