
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 | UCFL313-41 | |
| Nrụpụta Mba. | UC313-41 | |
| Ebe obibi | FL313 | |
| Nha Bolt | 1 | |
| Obere dayameta | d | 2-9/16 na |
| Mgbakọta Ogologo | a | 11-5/8 n'arọ |
| oghere oghere Bolt | e | 9-29/64 nke |
| Ọgwụgwụ Center of Bearing from Housing | i | 1-19/64 nke |
| Obosara flange | g | 31/32 nke |
| Obosara ụlọ | l | 2-9/32 nke |
| Nha oghere Bolt | s | 1-7/32 n'arọ |
| N'ozuzu ogologo | b | 6-7/8 nke |
| N'ozuzu obosara unit | z | 3-5/64 nke anụ ọhịa |
| Obosara mgbanaka ime | B | 2.9528 n'arọ |
| Center of Bearing from Bearing End | n | 1.181 n'arọ |
| Ibu ibu | 7,363 n'arọ | |