| d | 20 |
| D | 52 |
| T | 16.25 |
| B | 15 |
| C | 13 |
| R径向 | 1.5 |
| R轴向 | 1.5 |
| r径向 | 1.5 |
| r轴向 | 1.5 |
| Cr | 32.5 |
| Cor | 22 |
| 脂润滑 | 8000 |
| 油润滑 | 11000 |
| 轴承代号 | 30304 |
| 重量 Kg |
0.167 |
| da(max) | 28 |
| db(min) | 28 |
| Da(min) | 44 |
| Da(max) | 45 |
| Db(min) | 48 |
| Ca(min) | 3 |
| Cb(min) | 3.3 |
| e | 0.3 |
| Y | 2 |
| Yo | 1.1 |
| a | 11 |
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