| Bearing type 轴承型号 | Boundary Dimensions（mm）外形尺寸 | ||
|---|---|---|---|
| d 内径 | D 外径 | B 内圈 宽度 | |
| D/W R8 R-2RZ | 12.7 | 28.575 | 7.938 |
| D/W SRI-1212 | 12.7 | 19.05 | 3.967 |
| D/W R8-2RZ | 12.7 | 28.575 | 7.938 |
| D/W R8-2Z | 12.7 | 28.575 | 7.938 |
| D/W R8 | 12.7 | 28.575 | 6.35 |
| RLS 4 | 12.7 | 33.338 | 9.525 |
| D/W R6-5-2ZS | 12.7 | 22.225 | 7.142 |
| D/W R8 R-2RS1 | 12.7 | 28.575 | 7.938 |
| D/W R8-2RS1 | 12.7 | 28.575 | 7.938 |
| D/W R8 R | 12.7 | 28.575 | 6.35 |
| D/W ER1212 | 12.7 | 19.05 | 3.967 |
| D/W SRI-1212-2ZS | 12.7 | 19.05 | 3.967 |
| RLS 4-2RS1 | 12.7 | 33.338 | 9.525 |
| RLS 4-2Z | 12.7 | 33.338 | 9.525 |
| D/W ER1212-2ZS | 12.7 | 19.05 | 3.967 |
| D/W R6-5 | 12.7 | 22.225 | 5.558 |
| D/W R8 R-2Z | 12.7 | 28.575 | 7.938 |
| 62201-2RS1 | 12 | 32 | 14 |
| W 61901-2Z | 12 | 24 | 6 |
| W 61801-2Z | 12 | 21 | 5 |
| W 63801-2Z | 12 | 21 | 7 |
| W 61701 R | 12 | 18 | 4 |
| 61901-2Z | 12 | 24 | 6 |
| W 61901 R | 12 | 24 | 6 |
| W 61701-2ZS | 12 | 18 | 4 |
| 6001-2RSH | 12 | 28 | 8 |
| 6001-2RSL | 12 | 28 | 8 |
| W 61801 R-2ZS | 12 | 21 | 5 |
| W 61901-2RS1 | 12 | 24 | 6 |
| W 6201-2RS1 | 12 | 32 | 10 |
