相似轴承型号
| 品牌 | 型号 | 系列 |
| KOYO | 51218轴承 | 推力球轴承 |
| SKF | NJ2207EC轴承 | 圆柱滚子轴承 |
| KOYO | 51318轴承 | 推力球轴承 |
| SKF | NJ2208EC轴承 | 圆柱滚子轴承 |
| KOYO | 51418轴承 | 推力球轴承 |
| SKF | NJ2209EC轴承 | 圆柱滚子轴承 |
| KOYO | 51120轴承 | 推力球轴承 |
| SKF | NJ2210EC轴承 | 圆柱滚子轴承 |
| KOYO | 51220轴承 | 推力球轴承 |
| SKF | NJ2211EC轴承 | 圆柱滚子轴承 |
| KOYO | 51320轴承 | 推力球轴承 |
| SKF | NJ2212EC轴承 | 圆柱滚子轴承 |
| KOYO | 51420轴承 | 推力球轴承 |
| SKF | NJ2213EC轴承 | 圆柱滚子轴承 |
| KOYO | 51122轴承 | 推力球轴承 |