| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| STO 10 | 10 | 30 | 12 |
| STO 10 X | 10 | 30 | 12 |
| NA 22/8.2RSX | 8 | 24 | 12 |
| STO 8 TN | 8 | 24 | 10 |
| STO 8 XTN | 8 | 24 | 10 |
| NA 22/8.2RS | 8 | 24 | 12 |
| NA 22/6.2RS | 6 | 19 | 12 |
| STO 6 TN | 6 | 19 | 10 |
| STO 6 XTN | 6 | 19 | 10 |
| NA 22/6.2RSX | 6 | 19 | 12 |
| RSTO 50 | 90 | ||
| RSTO 45 | 85 | ||
| RSTO 40 | 80 | ||
| RNA 2208.2RS | 80 | ||
| RNA 2207.2RS | 72 | ||
| RSTO 35 | 72 | ||
| RNA 2206.2RS | 62 | ||
| RSTO 30 | 62 | ||
| RNA 2205.2RS | 52 | ||
| RSTO 25 | 52 | ||
| RSTO 20 | 47 | ||
| RNA 2204.2RS | 47 | ||
| RNA 2203.2RS | 40 | ||
| RSTO 17 | 40 | ||
| RNA 2202.2RS | 35 | ||
| RSTO 15 | 35 | ||
| RNA 2201.2RS | 32 | ||
| RSTO 12 | 32 | ||
| RNA 2200.2RS | 30 | ||
| RSTO 10 | 30 | ||
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