| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| W 61705-2RZ | 25 | 32 | 4 |
| W 61706 | 30 | 37 | 4 |
| W 61706 R | 30 | 37 | 4 |
| W 61706-2RZ | 30 | 37 | 4 |
| W 61707 | 35 | 44 | 5 |
| W 61707-2RS1 | 35 | 44 | 5 |
| W 61708 | 40 | 50 | 6 |
| W 61708-2RS1 | 40 | 50 | 6 |
| W 61709 | 45 | 55 | 6 |
| W 61709-2RS1 | 45 | 55 | 6 |
| W 61710 | 50 | 62 | 6 |
| W 61710-2RS1 | 50 | 62 | 6 |
| W 618/1 | 1 | 3 | 1 |
| W 618/1 R | 1 | 3 | 1 |
| W 618/1.5 | 1.5 | 4 | 1.2 |
| W 618/1.5 R | 1.5 | 4 | 1.2 |
| W 618/2 | 2 | 5 | 1.5 |
| W 618/2 R | 2 | 5 | 1.5 |
| W 618/2 X | 2 | 5 | 2 |
| W 618/2 XR | 2 | 5 | 2 |
| W 618/2.5 | 2.5 | 6 | 1.8 |
| W 618/2.5 R | 2.5 | 6 | 1.8 |
| W 618/3 | 3 | 7 | 2 |
| W 618/3 R | 3 | 7 | 2 |
| W 618/4 | 4 | 9 | 2.5 |
| W 618/4 R | 4 | 9 | 2.5 |
| W 618/5 | 5 | 11 | 3 |
| W 618/5 R | 5 | 11 | 3 |
| W 618/6 | 6 | 13 | 3.5 |
| W 618/6 R | 6 | 13 | 3.5 |
