| Bearing Unit No. | Shaft Dia | Dimensions(mm) | ||
| (mm) | (in) | N1 | L2 | |
| UCT206-18 | - | 1 1/8 | 16 | 10 | UCT206 | 30 | - | 16 | 10 |
| UCT206-19 | - | 1 3/16 | 16 | 10 | UCT206-20 | - | 1 1/4 | 16 | 10 |
| UCT207-20 | - | 1 1/4 | 16 | 13 | UCT207-21 | - | 1 5/16 | 16 | 13 |
| UCT207-22 | - | 1 3/8 | 16 | 13 | UCT207 | 35 | - | 16 | 13 |
| UCT207-23 | - | 1 7/16 | 16 | 13 | UCT208-24 | - | 1 1/2 | 19 | 16 |
| UCT208-25 | - | 1 9/16 | 19 | 16 | UCT208 | 40 | - | 19 | 16 |