| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 21309CC轴承 | - | - | - |
| 21309CCK轴承 | - | - | - |
| 21309CC | 45 | 100 | 25 |
| 21309CCK | 45 | 100 | 25 |
| 21309C | 45 | 100 | 25 |
| 21309CCK | 45 | 100 | 25 |
| 21309CK | 50 | 110 | 27 |
| 21309CDK | 45 | 100 | 25 |
| 21309CC | 45 | 100 | 25 |
| 21309CK H309X | 40 | 100 | 25 |
| 21309CK;H309X | 40 | 100 | 25 |
| 21309CDK H309X | 40 | 100 | 25 |
| 21309CCKH309 | 40 | 100 | 25 |
| 21309CD | 45 | 100 | 36 |
| 21309CD | 45 | 100 | 36 |