| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 6211ZZ | 55 | 100 | 21 |
| 6211.2ZR | 55 | 100 | 21 |
| 6211ZZ | 55 | 100 | 21 |
| 211-2Z | 55 | 100 | 21 |
| 6211-2Z | 55 | 100 | 21 |
| 211-2ZNR | 55 | 100 | 21 |
| 6211-2ZNR | 55 | 100 | 21 |
| 6211-2ZN | 55 | 100 | 21 |
| 6211ZZN | 55 | 100 | 21 |
| 6211ZZ | 55 | 100 | 21 |
| 6211-2ZN | 55 | 100 | 21 |
| 6211-2Z | 55 | 100 | 21 |
| 6211-2Z | 55 | 100 | 21 |
| 6211-2Z | 55 | 100 | 21 |
| 6211-2Z | 55 | 100 | 21 |
