| Bearing Number | Shaft Dia | Dimensions(mm)(in) | ||
| (mm) | (in) | D | B | |
| UC210-31 | - | 1 15/16 | 90 | 51.6 | UC210 | 50 | - | 90 | 51.6 |
| UC211-32 | - | 2 | 100 | 55.6 | UC211-34 | - | 2 1/8 | 100 | 55.6 |
| UC211 | 55 | - | 100 | 55.6 | UC211-35 | - | 2 3/16 | 100 | 55.6 |
| UC212-36 | - | 2 1/4 | 110 | 65.1 | UC212 | 60 | - | 110 | 65.1 |
| UC212-38 | - | 2 3/8 | 110 | 65.1 | UC212-39 | - | 2 7/16 | 110 | 65.1 |
| UC213-40 | - | 2 1/2 | 120 | 65.1 | UC213 | 65 | - | 120 | 65.1 |