| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| W 604 R-2Z | 4 | 12 | 4 |
| W 604-2RS1 | 4 | 12 | 4 |
| W 604-2RZ | 4 | 12 | 4 |
| W 604-2Z | 4 | 12 | 4 |
| W 605 | 5 | 14 | 5 |
| W 605 R | 5 | 14 | 5 |
| W 605 R-2RS1 | 5 | 14 | 5 |
| W 605 R-2Z | 5 | 14 | 5 |
| W 605-2RS1 | 5 | 14 | 5 |
| W 605-2RZ | 5 | 14 | 5 |
| W 605-2Z | 5 | 14 | 5 |
| W 606 | 6 | 17 | 6 |
| W 606 R | 6 | 17 | 6 |
| W 606 R-2RS1 | 6 | 17 | 6 |
| W 606 R-2RZ | 6 | 17 | 6 |
| W 606 R-2Z | 6 | 17 | 6 |
| W 606-2RS1 | 6 | 17 | 6 |
| W 606-2RZ | 6 | 17 | 6 |
| W 606-2Z | 6 | 17 | 6 |
| W 607 | 7 | 19 | 6 |
| W 607 R | 7 | 19 | 6 |
| W 607 R-2RS1 | 7 | 19 | 6 |
| W 607 R-2RZ | 7 | 19 | 6 |
| W 607 R-2Z | 7 | 19 | 6 |
| W 607-2RS1 | 7 | 19 | 6 |
| W 607-2RZ | 7 | 19 | 6 |
| W 607-2Z | 7 | 19 | 6 |
| W 608 | 8 | 22 | 7 |
| W 608 R | 8 | 22 | 7 |
| W 608 R-2RS1 | 8 | 22 | 7 |
