| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| W 61815-2Z | 75 | 95 | 10 |
| W 61816 | 80 | 100 | 10 |
| W 61816-2RS1 | 80 | 100 | 10 |
| W 61816-2RZ | 80 | 100 | 10 |
| W 61816-2Z | 80 | 100 | 10 |
| W 61817 | 85 | 110 | 13 |
| W 61817-2RS1 | 85 | 110 | 13 |
| W 61817-2Z | 85 | 110 | 13 |
| W 61818 | 90 | 115 | 13 |
| W 61818-2RS1 | 90 | 115 | 13 |
| W 61818-2Z | 90 | 115 | 13 |
| W 619/1 | 1 | 4 | 1.6 |
| W 619/1 R | 1 | 4 | 1.6 |
| W 619/1.5 | 1.5 | 5 | 2 |
| W 619/1.5 R | 1.5 | 5 | 2 |
| W 619/2 | 2 | 6 | 2.3 |
| W 619/2 R | 2 | 6 | 2.3 |
| W 619/2 X | 2 | 6 | 2.5 |
| W 619/2 X-2Z | 2 | 6 | 2.5 |
| W 619/2 XR | 2 | 6 | 2.5 |
| W 619/2 XR-2Z | 2 | 6 | 2.5 |
| W 619/2.5 | 2.5 | 7 | 2.5 |
| W 619/2.5 R | 2.5 | 7 | 2.5 |
| W 619/2-2Z | 2 | 6 | 2.3 |
| W 619/3 | 3 | 8 | 3 |
| W 619/3 R | 3 | 8 | 3 |
| W 619/3 R-2Z | 3 | 8 | 3 |
| W 619/3-2Z | 3 | 8 | 3 |
| W 619/4 | 4 | 11 | 4 |
| W 619/4 R | 4 | 11 | 4 |
