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| Product model | W 627/6 X |
| d | 6 mm |
| D | 12 mm |
| B | 3 mm |
| Limiting speed | 70000 r/min |
| d1 | ≈7.73 mm |
| D1 | ≈10.19 mm |
| Chamfer size (r1,2) | min.0.2 mm |
| da | min.7.3 mm |
| Da | max.10.4 mm |
| ra | max.0.2 mm |
| Pu | 0.006 kN |
| Reference speed(r/min) | 110 000 r/min |
| kr | 0.015 |
| f0 | 7.4 |
| Radial runout | National Standard |
| Dimensional tolerance | National Standard |