| d | 105 |
| D | 190 |
| B | 36 |
| rsmin | 2.1 |
| r1smin | 2.1 |
| F | 125 |
| E |
| Cr | 264 |
| Cor | 315 |
| 脂潤滑 | 3000 |
| 油潤滑 | 3600 |
| 軸承代號 | NJ221EM |
| 重量 Kg |
4.43 |
| da(min) | 116 |
| da(max) | 198 |
| db(min) | 137 |
| Da(max) | 179 |
| Da(min) | |
| ra(max) | 2 |
| rb(max) | 2 |
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