| Inquiry | Unit number | Bearing Bore dia | Dimensions（mm） | ||
| Inch | mm | a | b | ||
|
SSUCPA210 | - | 50 | 57.2 | 51 |
|
|
SSUCPA210-30 | 1-7/8 | - | 57.2 | 51 |
|
|
SSUCPA2103-31 | 1-15/16 | - | 57.2 | 51 |
|
|
SSUCPA210-32 | 2 | - | 57.2 | 51 |