| Item | NATR12 | |
| (Mass) m≈g | 71 | |
| Dimensions | D | 32 |
| d | 12 | |
| B | 15 | |
| C | 14 | |
| d2 | 25 | |
| r min | 0.6 | |
| Basic load rating | Basic dynamic load rating (Crw N) | 6800 |
| Basic static load rating (Corw N) | 8800 | |
| Fatigue load limit (Curw N) | 1250 | |
| Rotating speed (nDG min-1) | 4400 | |
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