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| 国内新型号 | 国内旧型号 | 内径(mm) | 外径(mm) | 宽度(mm) | 轴承类型 | 轴承品牌 |
|---|---|---|---|---|---|---|
| 1641-2RS | - | 22.225 | 50.8 | 14.288 | 深沟球轴承 0类 | - |
| 1640-2RS | - | 22.225 | 50.8 | 14.288 | 未知类型 | INA |
| GEWZ50ES-2RS | - | 50.8 | 80.963 | 76.2 | 关节轴承 | INA |
| LM104949/LM104912 | - | 50.8 | 82.931 | 21.59 | 圆锥滚子轴承 7类 | - |
| 33889/33821 | - | 50.8 | 95.25 | 27.783 | 圆锥滚子轴承 7类 | - |
| GEWZ31ES-2RS | - | 31.75 | 50.8 | 47.625 | 关节轴承 | INA |
| 1638-2RSV | - | 19.05 | 50.8 | 14.288 | 深沟球轴承 0类 | UBC |
| 18790/18720B | - | 50.8 | 85 | 17.462 | 圆锥滚子轴承 7类 | - |
| K18790/K18720B+K28580/K28521/D | - | 50.8 | 92.075 | 54.381 | 圆锥滚子轴承 7类 | - |
| LRB324024 | - | 50.8 | 63.5 | 38.35 | 滚针轴承 4类 | IKO |
| GACZ32S | - | 31.75 | 50.8 | 17.78 | 关节轴承 | INA |
| GACZ31S | - | 31.75 | 50.8 | 17.78 | 关节轴承 | INA |
| UCT211-32 | K90511-32 | 50.8 | 171 | 146 | 带座外球面球轴承 | INA |
| 1641-2RSV | - | 25.4 | 50.8 | 14.288 | 深沟球轴承 0类 | - |
| GACZ88S | - | 88.9 | 139.7 | 50.8 | 关节轴承 | INA |
| NAFLU210-32 | - | 50.8 | 190 | 157 | 带座外球面球轴承 | INA |
| 3706/501.625/P6 | E879/500 | 501.625 | 711.2 | 250.825 | 圆锥滚子轴承 7类 | - |
| 0-16 | - | 50.8 | 75.406 | 19.05 | 推力球轴承 8类 | NACHI |
| R16-Z | - | 25.4 | 50.8 | 12.7 | 深沟球轴承 0类 | UBC |
| 1641-2Z | - | 25.4 | 50.8 | 14.288 | 深沟球轴承 0类 | - |