| d | 90 |
| D | 190 |
| T | 46.5 |
| B | 43 |
| C | 30 |
| R径向 | 4 |
| R轴向 | 4 |
| r径向 | 3 |
| r轴向 | 3 |
| Cr | 283 |
| Cor | 340 |
| 脂润滑 | 2000 |
| 油润滑 | 3000 |
| 轴承代号 | 31318 |
| 重量 Kg |
5.53 |
| da(max) | 102 |
| db(min) | 104 |
| Da(min) | 151 |
| Da(max) | 176 |
| Db(min) | 181 |
| Ca(min) | 6 |
| Cb(min) | 17 |
| e | 0.83 |
| Y | 0.7 |
| Yo | 0.4 |
| a | 59 |
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