| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| W 60/1.5 R | 1.5 | 6 | 2.5 |
| W 618/1.5 | 1.5 | 4 | 1.2 |
| W 618/1.5 R | 1.5 | 4 | 1.2 |
| W 619/1.5 R | 1.5 | 5 | 2 |
| W 639/1.5 R-2Z | 1.5 | 5 | 2.6 |
| W 630/1.5 R-2Z | 1.5 | 6 | 3 |
| W 619/1.5 | 1.5 | 5 | 2 |
| D/W R1 R | 1.397 | 4.762 | 1.984 |
| D/W R1 R-2Z | 1.397 | 4.762 | 2.779 |
| D/W RW1 R-2Z | 1.397 | 4.762 | 3.571 |
| D/W R1 | 1.397 | 4.762 | 1.984 |
| D/W R1-2Z | 1.397 | 4.762 | 2.779 |
| WBB1-8700-2Z | 1.2 | 4 | 2.5 |
| WBB1-8700 R | 1.2 | 4 | 1.8 |
| WBB1-8700 | 1.2 | 4 | 1.8 |
| D/W R0 R-2Z | 1.191 | 3.967 | 2.38 |
| D/W R0 R | 1.191 | 3.967 | 1.588 |
| D/W R0 | 1.191 | 3.967 | 1.588 |
| D/W RW0 R-2Z | 1.191 | 3.967 | 3.175 |
| D/W R0-2Z | 1.191 | 3.967 | 2.38 |
| D/W R09 R | 1.016 | 3.175 | 1.191 |
| D/W R09 | 1.016 | 3.175 | 1.191 |
| W 638/1 | 1 | 3 | 1.5 |
| W 618/1 R | 1 | 3 | 1 |
| W 618/1 | 1 | 3 | 1 |
| W 619/1 R | 1 | 4 | 1.6 |
| W 619/1 | 1 | 4 | 1.6 |
| W618/0.6 | 0.6 | 2.5 | 1 |
| 6336 M/C3VL2071 | 180 | 380 | 75 |
| 6334 M/C3VL2071 | 170 | 360 | 72 |
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