| Designation | STO12 | ||
| (Mass) m≈g | 57 | ||
| Dimensions | D | 32 | |
| d | 12 | ||
| B | 11.8 | ||
| C | 12 | ||
| Fw1) | 16 | ||
| E | 22 | ||
| r min | 0.3 | ||
| Basic load rating | Basic dynamic load rating (Crw N) | 8900 | |
| Basic static load rating (Corw N) | 9900 | ||
| Fatigue load limit (Curw N) | 1300 | ||
| Rotating speed ( nDG min-1 ) | 4600 | ||
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