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| size(mm) | hole(mm) | size(mm) | hole(mm) |
| φ8 | 4 | φ21.5 | 10 or 12 |
| φ10 | 5 | φ22 | 10 or 12 |
| φ10.5 | 5 | φ22.2 | 10 or 12 |
| φ11 | 5 | φ23 | 12.5 or 12 or 13 |
| φ12 | 6 | φ24 | 13 or 14 |
| φ12.3 | 6 | φ25 | 12 or 15 |
| φ12.5 | 6 | φ25.5 | 15 |
| φ12.7 | 6 | φ26 | 15 or 16 |
| φ13 | 4 | φ27 | 15 or 16 |
| φ13.2 | 6.9 | φ28 | 15 or 17 |
| φ13.5 | 7 | φ28.5 | 15 or 17 |
| φ14 | 8 | φ29 | 17 or 18 |
| φ14.5 | 8 | φ30 | 15 or 18 |
| φ15 | 9.1 | φ32 | 18 or 19 or 20 |
| φ15.5 | 9.1 | φ33 | 18 or 20 |
| φ16 | 9.1 | φ34 | 18 or 20 |
| φ17 | 9.2 | φ35 | 19 or 20 |
| φ18 | 10 or 8 | φ36 | 18 or 20 |
| φ19 | 10 or 8 | φ38 | 20 or 23 |
| φ20 | 10 or 12 | φ39 | 24 or 25 |
| φ20.5 | 10 or 12 | φ40 | 25 |
| φ21 | 10or 12 | φ42.5 | 25 |
Bearing ball
