Technical specifications| Locking elements family | VK129 |
| Shaft diameter | 30 mm |
| Hub diameter | 60 mm |
| H3 | 8.5 mm |
| Number of screws | 7 |
| Screws measure | M5 |
| Pa | 229 Kg/mm2 |
| Pn | 144 Kg/mm2 |
| Ma | 4 Kgm |
| Transmissible torque | 37 Kgm |
| H1 | 16 mm |
| Ht | 24 mm |
| H2 | 20 mm |
| FAX | 30 Kg |
| Hollow shaft int. diam. | 25 mm |
