Technical specifications| Locking elements family | VK129 |
| Shaft diameter | 55 mm |
| Hub diameter | 100 mm |
| H3 | 12.5 mm |
| Number of screws | 8 |
| Screws measure | M6 |
| Pa | 243 Kg/mm2 |
| Pn | 160 Kg/mm2 |
| Ma | 12 Kgm |
| Transmissible torque | 203 Kgm |
| H1 | 23 mm |
| Ht | 33 mm |
| H2 | 29 mm |
| FAX | 90 Kg |
| Hollow shaft int. diam. | 45 mm |
