| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 61904-2RS | 20 | 37 | 9 |
| 61904-2RZ | 20 | 37 | 9 |
| 61904-2RS | 20 | 37 | 9 |
| 61904-2RZ | 20 | 37 | 9 |
| 6904N | 20 | 37 | 9 |
| 6904VV | 20 | 37 | 9 |
| 6904DDU | 20 | 37 | 9 |
| 6904ZZ | 20 | 37 | 9 |
| 6904 | 20 | 37 | 9 |
| 6904ZN | 20 | 37 | 9 |
| W61904-2RS1 | 20 | 37 | 9 |
| 61904-2RS1 | 20 | 37 | 9 |
| 61904-2RZ | 20 | 37 | 9 |
| 6904Z | 20 | 37 | 9 |
| 6904Z | 20 | 37 | 9 |
| 6904N | 20 | 37 | 9 |
| 6904 | 20 | 37 | 9 |
| 6904 | 20 | 37 | 9 |
| 6903ZZ | 17 | 30 | 7 |
| 61904 | 20 | 37 | 9 |
| 6904LLB | 20 | 37 | 9 |
| 6904LB | 20 | 37 | 9 |
| 6904LU | 20 | 37 | 9 |
| 61904-2RS1 | 20 | 37 | 9 |
| 6904V | 20 | 37 | 9 |
| 6904DU | 20 | 37 | 9 |
| 61904 | 20 | 37 | 9 |
| 61904N | 20 | 37 | 9 |
| 61904 | 20 | 37 | 9 |
| 61904-Z | 20 | 37 | 9 |
| 61904-Z | 20 | 37 | 9 |
| 61904-ZN | 20 | 37 | 9 |
| 61904N | 20 | 37 | 9 |
| 61904-2Z | 20 | 37 | 9 |
| 61904-2Z | 20 | 37 | 9 |
| 61904-RS | 20 | 37 | 9 |
| 61904-RZ | 20 | 37 | 9 |
| 61904-RS | 20 | 37 | 9 |
| 61904-RZ | 20 | 37 | 9 |
| 61904-2RS | 20 | 37 | 9 |
