
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 | UCFL209-26 | |
| Nrụpụta Mba. | UC209-26 | |
| Ebe obibi | FL209 | |
| Nha Bolt | 5/8 | |
| Obere dayameta | d | 1-5/8 nke anụ ọhịa |
| Mgbakọta Ogologo | a | 7-13/32 n'arọ |
| oghere oghere Bolt | e | 5-53/64 nke anụ ọhịa |
| Ọgwụgwụ Center of Bearing from Housing | i | 55/64 nke |
| Obosara flange | g | 19/32 nke |
| Obosara ụlọ | l | 1-1/2 n'arọ |
| Nha oghere Bolt | s | 3/4 nke anụ ọhịa |
| N'ozuzu ogologo | b | 4-1/4 nke anụ ọhịa |
| N'ozuzu obosara unit | z | 2-1/16 nke |
| Obosara mgbanaka ime | B | 1.937 n'arọ |
| Center of Bearing from Bearing End | n | 0.748 n'arọ |
| Ibu ibu | 1.84 n'arọ | |