| Designations | NK7/12TN | |
| Dimensions(mm) | Fw | 7 |
| D | 14 | |
| C | 12 | |
| r1,2 | 0.3 | |
| Basic load ratings(KN) | Basic load ratings (dynamic)(C) | 3,437 |
| Basic load ratings (static)(C0) | 3,6 | |
| Fatigue load limit (Pu) | 0,394 | |
| Speed ratings(r/min) | Speed ratings (Reference speed) | 32 000 |
| Speed ratings (Limting speed) | 36 000 | |
| Mass(kg) | 0.0082 | |
+86-021-54846037