| Bearing No. | Boundary Dimensions(mm inch) | |||
| d | D | B | C | |
| UCX12-38 | 2-3/8 | 4.3307 | 2.563 | 1.1024 |
| UCX12-39 | 2-7/16 | - | - | - |
| UCX13 | 65 | 125 | 74.6 | 29 |
| UCX13-40 | 2-1/2 | 4.9213 | 2.937 | 1.1417 |
| UCX13-41 | 2-9/16 | - | - | - |
| UCX14 | 70 | 130 | 77.8 | 30 |
| UCX14-42 | 2-3/8 | 5.1181 | 3.063 | 1.1811 |
| UCX14-43 | 2-11/16 | - | - | - |
| UCX14-44 | 2-3/4 | - | - | - |
| UCX15 | 75 | 140 | 82.6 | 32 |
| UCX15-45 | 2-13/16 | 5.5118 | 3.252 | 1.2598 |
| UCX15-46 | 2-7/8 | - | - | - |
| UCX15-47 | 2-15/16 | - | - | - |
| UCX15-48 | 3 | - | - | - |
| UCX16 | 80 | 150 | 85.7 | 34 |
| UCX16-49 | 3-1/16 | 5.9055 | 3.374 | 1.3386 |
| UCX16-50 | 3-1/8 | - | - | - |
| UCX16-51 | 3-3/16 | - | - | - |
| UCX17 | 85 | 160 | 96 | 36 |
| UCX17-53 | 3-5/16 | 6.2992 | 3.7795 | 1.4173 |
| UCX17-55 | 3-7/16 | - | - | - |
| UC305 | 25 | 62 | 38 | 20 |
| UC305-13 | 13/16 | 2.4409 | 1.4961 | 0.7874 |
| UC305-14 | 7/8 | - | - | - |