| ITEM | 320/28 | |
| Principal dimensions(mm) | Principal dimensions (d) | 28 |
| Principal dimensions (D) | 52 | |
| Principal dimensions (T) | 16 | |
| Dimensions (B) | 16 | |
| Dimensions (C) | 12 | |
| Dimensions (r1.2) | 1 | |
| Dimensions (r3.4) | 1 | |
| Basic load ratings(KN) | Basic load ratings (dynamic)(C ) | 31.9 |
| Basic load ratings (static) (C0 ) | 38 | |
| Fatigue load limit(Pu) | 4 | |
| Speed ratings(r/min) | Speed ratings (Reference speed) | 9500 |
| Speed ratings (Limiting speed) | 13000 | |
| Mass(kg) | 0.14 | |
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