| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| NJ221ECP轴承 | - | - | - |
| NJ221ECM轴承 | - | - | - |
| NJ221ECJ轴承 | - | - | - |
| NJ221ECM | 105 | 190 | 36 |
| NJ221E.TVP2 | 105 | 190 | 36 |
| NJ221EM | 105 | 190 | 36 |
| NJ221E | 105 | 190 | 36 |
| NJ221EC | 105 | 190 | 36 |
| NJ221EC HJ221EC | 105 | 190 | 36 |
| NJ221ECP | 105 | 190 | 36 |
| NJ221EM HJ221E | 105 | 190 | 36 |
| NJ221EM HJ221E | 105 | 190 | 36 |
| NJ221E.TVP2 HJ221E | 105 | 190 | 36 |
