| 軸承型號 | 12580/12520 |
|---|---|
| 內圈型號 | 12580 |
| 外圈型號 | 12520 |
| 內徑 | 20.638 |
| 外徑 | 49.225 |
| 厚度 | 19.845 |
| 類型 | 圓錐滾子軸承 |
| C1 | 40400 |
| e | 0.32 |
| Y | 1.86 |
| C90 | 10500 |
| Ca90 | 5790 |
| K | 1.81 |
| C0 | 43200 |
| B | 19.845 |
| C | 15.875 |
| a(3) | -7.1 |
| Shaft max shaft fillet radius R(4） | 1.5 |
| Shaft backing shoulder dia.da | 26 |
| Shaft backing shoulder dia.db | 28.5 |
| Housing backing shoulder dia. r(4) | 1.5 |
| Housing backing shoulder dia.Da | 45.5 |
| Housing backing shoulder dia.Da | 42.5 |
| Cage Aa | 0.9 |
| Cage Ab | 1.1 |
| G1 | 8.6 |
| G2 | 6.21 |
| Cg | 0.0495 |
| 重量（kg） | 0.18 |