| Designations (Bearing with tapered bore) | 21306CCK | |
| Principal dimensions (mm) | d | 30 |
| D | 72 | |
| B | 19 | |
| r1,2 | 1.1 | |
| Basic load ratings(KN) | Basic load ratings (dynamic) (C) | 62.08 |
| Basic load ratings (static) (C0) | 59.17 | |
| Fatigue load limit (Pu) | 6.8 | |
| Speed ratings(r/min) | Speed ratings (Reference speed) | 8200 |
| Speed ratings (Limting speed) | 12000 | |
| Mass(kg) | 0.41 | |
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