| Bearing Number | Principal dimensions | |||
| d (mm) | d (in) | D (mm) | D (in) | |
| 32021 | 105 | 4.137 | 160 | 6.304 | 32321 | 105 | 4.137 | 225 | 8.865 |
| 30321 | 105 | 4.137 | 225 | 8.865 | 30221 | 105 | 4.137 | 190 | 7.486 |
| 33022 | 110 | 4.334 | 170 | 6.698 | 31322 | 110 | 4.334 | 240 | 9.456 |
| 32922 | 110 | 4.334 | 150 | 5.91 | 32022 | 110 | 4.334 | 170 | 6.698 |
| 32322 | 110 | 4.334 | 240 | 9.456 | 30322 | 110 | 4.334 | 240 | 9.456 |
| 30222 | 110 | 4.334 | 200 | 7.88 | 30623 | 115 | 4.531 | 190 | 7.486 |