| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 21310CC轴承 | - | - | - |
| 21310CCK轴承 | - | - | - |
| 21310C | 50 | 110 | 27 |
| 21310CCK | 50 | 110 | 27 |
| 21310CK | 55 | 120 | 29 |
| 21310CC | 50 | 110 | 27 |
| 21310CK H310X | 45 | 110 | 27 |
| 21310CDK | 50 | 110 | 27 |
| 21310CD | 50 | 110 | 27 |
| 21310CK;H310X | 45 | 110 | 27 |
| 21310CDK H310X | 45 | 110 | 27 |
| 21310CCKH310 | 45 | 110 | 27 |
| 21310CCK | 50 | 110 | 27 |
