| Designations | NK25/20 | |
| Dimensions(mm) | Fw | 25 |
| D | 33 | |
| C | 20 | |
| r1,2 | 0.3 | |
| Basic load ratings(KN) | Basic load ratings (dynamic)(C) | 18,43 |
| Basic load ratings (static)(C0) | 31,2 | |
| Fatigue load limit (Pu) | 3,88 | |
| Speed ratings(r/min) | Speed ratings (Reference speed) | 16 000 |
| Speed ratings (Limting speed) | 18 000 | |
| Mass(kg) | 0,042 | |
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