| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 206 | 30 | 62 | 16 |
| 207 | 35 | 72 | 17 |
| 208 | 40 | 80 | 18 |
| 209 | 45 | 85 | 19 |
| 210 | 50 | 90 | 20 |
| 211 | 55 | 100 | 21 |
| 212 | 60 | 110 | 22 |
| 213 | 65 | 120 | 23 |
| 214 | 70 | 125 | 24 |
| 215 | 75 | 130 | 25 |
| 216 | 80 | 140 | 26 |
| 217 | 85 | 150 | 28 |
| 218 | 90 | 160 | 30 |
| 219 | 95 | 170 | 32 |
| 220 | 100 | 180 | 34 |
| 305 | 25 | 62 | 17 |
| 306 | 30 | 72 | 19 |
| 307 | 35 | 80 | 21 |
| 308 | 40 | 90 | 23 |
| 309 | 45 | 100 | 25 |
| 310 | 50 | 110 | 27 |
| 311 | 55 | 120 | 29 |
| 312 | 60 | 130 | 31 |
| 313 | 65 | 140 | 33 |
| 314 | 70 | 150 | 35 |
| 315 | 75 | 160 | 37 |
| 316 | 80 | 170 | 39 |
| 317 | 85 | 180 | 41 |
| 318 | 90 | 190 | 43 |
| 604 | 4 | 12 | 4 |
