
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 | UCFA205 | |
| Nrụpụta Mba. | UC205 | |
| Ebe obibi | FA205 | |
| Obere dayameta | d | 25 mm |
| Ogologo ụlọ, obosara ma ọ bụ dayameta | a | 124 mm |
| Ebe dị anya n'ịtinye oghere | e | 98 mm |
| Ebe dị anya na-agbago elu ruo n'etiti ibu | i | 16 mm |
| Ogologo ụkwụ ụlọ / elu flange | g | 14 mm |
| Ogologo ụlọ | I | 27 mm |
| Obosara oghere oghere | s | 13 mm |
| Obosara ụlọ / dayameta | b | 70 mm |
| Ngụkọta elu site na mgbago elu | z | 35.8 mm |
| Ebe dị anya n'ịtinye oghere | f | 51 mm |
| Obosara ụlọ na oghere oghere | c | 65 mm |
| Obosara mgbanaka ime | B | 34.1 mm |
| Anya ihu akụkụ/ebe etiti | n | 14.3 mm |
| Nha Bolt | M10 | |
| Ibu ibu | 0,65 n'arọ | |