
Usoro nke UC na-ezo aka na ahaziri ahazi, ejiri ọtụtụ ebe Ohiri isi ngọngọ nkeji bọọlụ nwere aka nkwụnye aka. N'ime isi ha bụ bọọlụ nwere oghere dị omimi nke nwere a dayameta mpụta okirikiri (SPB) emebere ka ọ dabara n'ime oghere okirikiri dabara adaba nke ụlọ nkedo. Na-akwado metric akụkụ, A na-ahazi usoro isiokwu a maka ngwa mmepụta ihe na-achọ ikike ibu dị elu, nrụnye kwụ ọtọ, na arụmọrụ a pụrụ ịdabere na ya.
| ISO | UCFB212 | |
| Nrụpụta Mba. | UC212 | |
| Ebe obibi | FB212 | |
| Nha Bolt | M12 | |
| Obere dayameta | d | 15/16 nke |
| N'ozuzu elu | w | 223 mm |
| N'ozuzu ogologo | b | 140 mm |
| Ogologo flange | a | 94 mm |
| N'ozuzu obosara | I | 1-11/16 nke |
| Dayameta nke mgbakwunye bolt oghere | S | 14 mm |
| Obosara flange | g | 18 mm |
| Ọnọdụ radial nke oche okirikiri | h | 84 mm |
| Anya n'etiti oghere bolt mgbakwụnye | j | 55 mm |
| Ogologo flange | e | 66 mm |
| Anya site n'akụkụ ihu ngwaọrụ mkpọchi gaa n'etiti ọgba ọsọ | i | 29 mm |
| N'ozuzu obosara unit | z | 68.7 mm |
| Obosara mgbanaka dị n'ime | B | 65.1 mm |
| Center of Bearing from End | n | 25.4 mm |
| Ibu ibu | 3,869 n'arọ | |