| Diameter | D | 25 | mm |
| Width across flats | B | 60 | mm |
| heigth | H | 52.50 | mm |
| Tolerance | H8 | ||
| length | L | 28 | mm |
| Tolerance | ±0,15 | ||
| Lower tolerance | Tol H2 | -0,1 | |
| Mounting dimension | JB | 18 | mm |
| Width across Flat | W | 5 | mm |
| Upper tolerance | Tol A5 | +0,1 | |
| Mounting thread below | G2 | M10 | |
| Sie thread fixing screws above | K5 | M8 |
