Technical specifications| Locking elements family | VK129 |
| Shaft diameter | 24 mm |
| Hub diameter | 50 mm |
| H3 | 7.8 mm |
| Number of screws | 6 |
| Screws measure | M5 |
| Pa | 280 Kg/mm2 |
| Pn | 176 Kg/mm2 |
| Ma | 4 Kgm |
| Transmissible torque | 25 Kgm |
| H1 | 14 mm |
| Ht | 22 mm |
| H2 | 18 mm |
| FAX | 25 Kg |
| Hollow shaft int. diam. | 20 mm |
