| Designations (Bearing with tapered bore) | 21310EK | |
| Principal dimensions (mm) | d | 50 |
| D | 110 | |
| B | 27 | |
| r1,2 | 2 | |
| Basic load ratings(KN) | Basic load ratings (dynamic) (C) | 151.32 |
| Basic load ratings (static) (C0) | 161.02 | |
| Fatigue load limit (Pu) | 18.6 | |
| Speed ratings(r/min) | Speed ratings (Reference speed) | 5600 |
| Speed ratings (Limting speed) | 6300 | |
| Mass(kg) | 1.35 | |
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