
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 | UCFB201 | |
| Nrụpụta Mba. | UC201 | |
| Ebe obibi | FB201 | |
| Nha Bolt | M8 | |
| Obere dayameta | d | 12 mm |
| N'ozuzu elu | w | 110 mm |
| N'ozuzu ogologo | b | 62 mm |
| Ogologo flange | a | 52 mm |
| N'ozuzu obosara | l | 25.5 mm |
| Dayameta nke mgbakwunye bolt oghere | S | 10 mm |
| Obosara flange | g | 13 mm |
| Ọnọdụ radial nke oche okirikiri | h | 42 mm |
| Anya n'etiti oghere bolt mgbakwụnye | j | 27 mm |
| Ogologo flange | e | 32 mm |
| Anya site n'akụkụ ihu ngwaọrụ mkpọchi gaa n'etiti ọgba ọsọ | i | 15 mm |
| N'ozuzu obosara unit | z | 33.3 mm |
| Obosara mgbanaka dị n'ime | B | 31 mm |
| Center of Bearing from End | n | 12.7 mm |
| Ibu ibu | 0,587 n'arọ | |