| d | 55 |
| D | 120 |
| B | 29 |
| rsmin | 2 |
| r1smin | 2 |
| F | 70.5 |
| E |
| Cr | 120 |
| Cor | 123 |
| 脂潤滑 | 4800 |
| 油潤滑 | 5600 |
| 軸承代號 | NU311M |
| 重量 Kg |
1.74 |
| da(min) | 64 |
| da(max) | 68 |
| db(min) | 73 |
| Da(max) | 111 |
| Da(min) | |
| ra(max) | 2 |
| rb(max) | 2 |
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