| Designations | NA4908 | |
| Dimensions(mm) | d | 40 |
| D | 62 | |
| B | 22 | |
| C | – | |
| r1,2 | 0..6 | |
| F | 48 | |
| Basic load ratings(KN) | Basic load ratings (dynamic)(C) | 42 |
| Basic load ratings (static)(C0) | 68,2 | |
| Fatigue load limit (Pu) | 8,6 | |
| Speed ratings(r/min) | Speed ratings (Reference speed) | 8 000 |
| Speed ratings (Limting speed) | 9 500 | |
| Mass(kg) | 0,23 | |
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