| Bearing Number | Shaft Dia | Dimensions(mm)(in) | ||
| (mm) | (in) | D | B | |
| UC207-21 | - | 1 5/16 | 72 | 42.9 | UC207-22 | - | 1 3/8 | 72 | 42.9 |
| UC207 | 35 | - | 72 | 42.9 | UC207-23 | - | 1 7/16 | 72 | 42.9 |
| UC208-24 | - | 1 1/2 | 80 | 49.2 | UC208-25 | - | 1 9/16 | 80 | 49.2 |
| UC208 | 40 | - | 80 | 49.2 | UC209-26 | - | 1 5/8 | 85 | 49.2 |
| UC209-27 | - | 1 11/16 | 85 | 49.2 | UC209-28 | - | 1 3/4 | 85 | 49.2 |
| UC209 | 45 | - | 85 | 49.2 | UC210-30 | - | 1 7/8 | 90 | 51.6 |