
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 | UCFC209-27 | |
| Nrụpụta Mba. | UC209-27 | |
| Ebe obibi | FC209 | |
| Nha Bolt | 1/2 | |
| Obere dayameta | 1d | 1-11/16 nke |
| N'ozuzu obosara | a | 6-19/64 nke |
| Dayameta oghere nke bolts mgbakwunye | P | 5-13/64 nke anụ ọhịa |
| Anya n'etiti bolts mgbakwunye | e | 3-43/64 nke |
| Ọgwụgwụ Center of Bearing from Housing | i | 25/64 nke |
| Nha oghere Bolt | s | 5/8 nke |
| Ogologo pilot | j | 15/32 nke |
| Obosara flange | k | 35/64 nke |
| Ebe dị anya na-agbago elu ruo n'etiti ibu | g | 1-1/32 nke anụ ọhịa |
| Pilot n'èzí dayameta | f | 4.1339 n'arọ |
| N'ozuzu obosara unit | z | 1-37/64 nke |
| Akụkụ | t | 1-3/4 nke anụ ọhịa |
| Obosara mgbanaka ime | B | 1.937 n'arọ |
| Center of Bearing from Bearing End | n | 0.748 n'arọ |
| Ibu ibu | 2,74 n'arọ | |