
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 | UCFB209 | |
| Nrụpụta Mba. | UC209 | |
| Ebe obibi | FB209 | |
| Nha Bolt | M10 | |
| Obere dayameta | d | 25 mm |
| N'ozuzu elu | w | 174 mm |
| N'ozuzu ogologo | b | 106 mm |
| Ogologo flange | a | 80 mm |
| N'ozuzu obosara | I | 1-13/32 n'arọ |
| Dayameta nke mgbakwunye bolt oghere | S | 12 mm |
| Obosara flange | g | 18 mm |
| Ọnọdụ radial nke oche okirikiri | h | 65 mm |
| Anya n'etiti oghere bolt mgbakwụnye | j | 43 mm |
| Ogologo flange | e | 54 mm |
| Anya site n'akụkụ ihu ngwaọrụ mkpọchi gaa n'etiti ọgba ọsọ | i | 22 mm |
| N'ozuzu obosara unit | z | 52.2 mm |
| Obosara mgbanaka dị n'ime | B | 49.2 mm |
| Center of Bearing from End | n | 19 mm |
| Ibu ibu | 1,924 n'arọ | |