
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 | UCFL328 | |
| Nrụpụta Mba. | UC328 | |
| Ebe obibi | FL328 | |
| Nha Bolt | M45 | |
| Obere dayameta | d | 140 mm |
| Mgbakọta Ogologo | a | 600 mm |
| oghere oghere Bolt | e | 500 mm |
| Ọgwụgwụ Center of Bearing from Housing | i | 75 mm |
| Obosara flange | g | 60 mm |
| Obosara ụlọ | l | 125 mm |
| Nha oghere Bolt | s | 51 mm |
| N'ozuzu ogologo | b | 400 mm |
| N'ozuzu obosara unit | z | 161 mm |
| Obosara mgbanaka ime | B | 145 mm |
| Center of Bearing from Bearing End | n | 59 mm |
| Ibu ibu | 79.08 n'arọ | |