| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| D/W ER1634-2ZS | 19.05 | 25.4 | 3.967 |
| D/W R12 | 19.05 | 41.275 | 7.938 |
| D/W R12-2RS1 | 19.05 | 41.275 | 11.113 |
| WBB1-8713 | 18 | 24 | 4 |
| W 63803-2Z | 17 | 26 | 7 |
| W 61703 R-2ZS | 17 | 23 | 4 |
| 6203 ETN9 | 17 | 40 | 12 |
| W 61703-2RS1 | 17 | 23 | 4 |
| 6303 N | 17 | 47 | 14 |
| 62303-2RS1 | 17 | 47 | 19 |
| 6203-2ZNR | 17 | 40 | 12 |
| W 63803 R-2Z | 17 | 26 | 7 |
| W 6203 | 17 | 40 | 12 |
| W 63803-2RS1 | 17 | 26 | 7 |
| 6203-RSL | 17 | 40 | 12 |
| 6203-RSH | 17 | 40 | 12 |
| 6303-2ZNR | 17 | 47 | 14 |
| 16003-2Z | 17 | 35 | 8 |
| 6003-RSL | 17 | 35 | 10 |
| 6003-RSH | 17 | 35 | 10 |
| W 61903-2RS1 | 17 | 30 | 7 |
| 6303-ZNR | 17 | 47 | 14 |
| W 63803 | 17 | 26 | 7 |
| 6303-Z | 17 | 47 | 14 |
| W 6203-2RZ | 17 | 40 | 12 |
| 6203-2Z | 17 | 40 | 12 |
| W 61803 R-2Z | 17 | 26 | 5 |
| W 61803-2RZ | 17 | 26 | 5 |
| 6303-RSH | 17 | 47 | 14 |
| 6303-RSL | 17 | 47 | 14 |
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