| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| D/W R0-2Z | 1.191 | 3.967 | 2.38 |
| D/W R09 | 1.016 | 3.175 | 1.191 |
| D/W R09 R | 1.016 | 3.175 | 1.191 |
| D/W R1 | 1.397 | 4.762 | 1.984 |
| D/W R1 R | 1.397 | 4.762 | 1.984 |
| D/W R1 R-2Z | 1.397 | 4.762 | 2.779 |
| D/W R10 | 15.875 | 34.925 | 7.142 |
| D/W R10 R-2Z | 15.875 | 34.925 | 8.733 |
| D/W R10-2RS1 | 15.875 | 34.925 | 8.733 |
| D/W R10-2RZ | 15.875 | 34.925 | 8.733 |
| D/W R10-2Z | 15.875 | 34.925 | 8.733 |
| D/W R12 | 19.05 | 41.275 | 7.938 |
| D/W R12-2RS1 | 19.05 | 41.275 | 11.113 |
| D/W R12-2RZ | 19.05 | 41.275 | 11.113 |
| D/W R12-2Z | 19.05 | 41.275 | 11.113 |
| D/W R1-2Z | 1.397 | 4.762 | 2.779 |
| D/W R133 | 2.38 | 4.762 | 1.588 |
| D/W R133 R | 2.38 | 4.762 | 1.588 |
| D/W R133 R-2ZS | 2.38 | 4.762 | 2.38 |
| D/W R133-2ZS | 2.38 | 4.762 | 2.38 |
| D/W R1-4 | 1.984 | 6.35 | 2.38 |
| D/W R1-4 R | 1.984 | 6.35 | 2.38 |
| D/W R1-4 R-2Z | 1.984 | 6.35 | 3.571 |
| D/W R1-4 R-2ZS | 1.984 | 6.35 | 3.571 |
| D/W R1-4-2Z | 1.984 | 6.35 | 3.571 |
| D/W R1-4-2ZS | 1.984 | 6.35 | 3.571 |
| D/W R144 | 3.175 | 6.35 | 2.38 |
| D/W R144 R | 3.175 | 6.35 | 2.38 |
| D/W R144 R-2Z | 3.175 | 6.35 | 2.779 |
| D/W R144-2Z | 3.175 | 6.35 | 2.779 |
