| 国内新型号 | 国内旧型号 | 内径(mm) | 外径(mm) | 宽度(mm) | 轴承型号 | 轴承类型 | 轴承品牌 |
|---|---|---|---|---|---|---|---|
| RN203M | 502203H | 17 | 33.9 | 12 | RN203M | 圆柱滚子轴承 2类 | IKO |
| N203M/P6 | E2203H | 17 | 40 | 12 | N203M/P6 | 未知类型 | IKO |
| RN203M | 502203H | 17 | 33.9 | 12 | RN203M | 圆柱滚子轴承 2类 | INA |
| N203M/P6 | E2203H | 17 | 40 | 12 | N203M/P6 | 未知类型 | INA |
| N203M/P5 | D2203H | 17 | 40 | 12 | N203M/P5 | 未知类型 | INA |
| RN203M | 502203H | 17 | 33.9 | 12 | RN203M | 圆柱滚子轴承 2类 | IKO |
| N203M | 2203H | 17 | 40 | 12 | N203M | 调心球轴承 1类 | - |
| RN203M | 502203H | 17 | 33.9 | 12 | RN203M | 圆柱滚子轴承 2类 | INA |
| N203M/P6 | E2203H | 17 | 40 | 12 | N203M/P6 | 未知类型 | INA |
| N203M/P5 | D2203H | 17 | 40 | 12 | N203M/P5 | 未知类型 | INA |