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| 国内新型号 | 国内旧型号 | 内径(mm) | 外径(mm) | 宽度(mm) | 轴承型号 | 轴承类型 | 轴承品牌 |
|---|---|---|---|---|---|---|---|
| NJ221EM | 42221EH | 105 | 190 | 36 | NJ221EM | 圆柱滚子轴承 2类 | IKO |
| NJ221EMA | 42511EHK | 55 | 100 | 25 | NJ221EMA | 未知类型 | IKO |
| NJ221EM | 42221EH | 105 | 190 | 36 | NJ221EM | 圆柱滚子轴承 2类 | INA |
| NJ221EMA | 42511EHK | 55 | 100 | 25 | NJ221EMA | 未知类型 | INA |
| NJ221EM/P5 | D42221EH | 105 | 190 | 36 | NJ221EM/P5 | 未知类型 | INA |
| NJ221EM/P6 | E42221EH | 105 | 190 | 36 | NJ221EM/P6 | 未知类型 | INA |
| NJ221EM | 42221EH | 105 | 190 | 36 | NJ221EM | 圆柱滚子轴承 2类 | IKO |
| NJ221E+HJ221E | 62221 E | 105 | 190 | 36 | NJ221EM+HJ221E | 圆柱滚子轴承 2类 | NTN |
| NJ221EM | 42221EH | 105 | 190 | 36 | NJ221EM | 圆柱滚子轴承 2类 | INA |
| NJ221E+HJ221E | 62221 E | 105 | 190 | 36 | NJ221EM+HJ221E | 圆柱滚子轴承 2类 | NSK |
| NJ221EMA | 42511EHK | 55 | 100 | 25 | NJ221EMA | 未知类型 | INA |
| NJ221EM/P5 | D42221EH | 105 | 190 | 36 | NJ221EM/P5 | 未知类型 | INA |
| NJ221EM/P6 | E42221EH | 105 | 190 | 36 | NJ221EM/P6 | 未知类型 | INA |