| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 210 NR | 50 | 90 | 20 |
| 6310-Z | 50 | 110 | 27 |
| 6010 | 50 | 80 | 16 |
| W 61710-2RS1 | 50 | 62 | 6 |
| 6310 NR | 50 | 110 | 27 |
| 61810 | 50 | 65 | 7 |
| W 61810-2RS1 | 50 | 65 | 7 |
| 310 NR | 50 | 110 | 27 |
| 310-2Z | 50 | 110 | 27 |
| 310-ZNR | 50 | 110 | 27 |
| W 6210-2RZ | 50 | 90 | 20 |
| W 61910 | 50 | 72 | 12 |
| 309-Z | 45 | 100 | 25 |
| 309-2ZNR | 45 | 100 | 25 |
| 6209-RS1 | 45 | 85 | 19 |
| 6209-Z | 45 | 85 | 19 |
| 61909-2RZ | 45 | 68 | 12 |
| 6209-2ZNR | 45 | 85 | 19 |
| 6209-2RS1 | 45 | 85 | 19 |
| 6309 NR | 45 | 100 | 25 |
| 209-2Z | 45 | 85 | 19 |
| 309-2Z | 45 | 100 | 25 |
| W 6209 | 45 | 85 | 19 |
| 6209 N | 45 | 85 | 19 |
| W 61909-2Z | 45 | 68 | 12 |
| W 61809 R-2Z | 45 | 58 | 7 |
| 6409 NR | 45 | 120 | 29 |
| 209 | 45 | 85 | 19 |
| 62309-2RS1 | 45 | 100 | 36 |
| W 61809 R | 45 | 58 | 7 |
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