| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 52408 | 30 | 90 | 65 |
| 54207 | 30 | 62 | 37.8 |
| 54208 | 30 | 68 | 38.6 |
| 54308 | 30 | 78 | 54.1 |
| 54307 | 30 | 68 | 47.2 |
| 52209 | 35 | 73 | 37 |
| 52309 | 35 | 85 | 52 |
| 52409 | 35 | 100 | 72 |
| 54409 | 35 | 100 | 78.9 |
| 54309 | 35 | 85 | 56.2 |
| 54209 | 35 | 73 | 39.6 |
| 54410 | 40 | 110 | 83.2 |
| 54310 | 40 | 95 | 64.7 |
| 52310 | 40 | 95 | 58 |
| 52210 | 40 | 78 | 39 |
| 54211 | 45 | 90 | 49.6 |
| 52411 | 45 | 120 | 87 |
| 52311 | 45 | 105 | 64 |
| 52211 | 45 | 90 | 45 |
| 54312 | 50 | 110 | 70.7 |
| 52312 | 50 | 110 | 64 |
| 52412 M | 50 | 130 | 93 |
| 52212 | 50 | 95 | 46 |
| 52414 M | 55 | 250 | 107 |
| 52313 | 55 | 115 | 64 |
| 52314 | 55 | 125 | 72 |
| 52213 | 55 | 100 | 47 |
| 52214 | 55 | 105 | 47 |
| 52315 | 60 | 135 | 79 |
| 52215 | 60 | 110 | 47 |
