
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 | UCFL213-40 | |
| Nrụpụta Mba. | UC213-40 | |
| Ebe obibi | FL213 | |
| Nha Bolt | 3/4 | |
| Obere dayameta | d | 2-1/2 n'arọ |
| Mgbakọta Ogologo | a | 10-5/32 nke anụ ọhịa |
| oghere oghere Bolt | e | 8-17/64 n'arọ |
| Ọgwụgwụ Center of Bearing from Housing | i | 1-3/16 nke |
| Obosara flange | g | 7/8 nke |
| Obosara ụlọ | l | 1-31/32 nke |
| Nha oghere Bolt | s | 29/32 nke |
| N'ozuzu ogologo | b | 6-3/32 nke anụ ọhịa |
| N'ozuzu obosara unit | z | 2-3/4 nke anụ ọhịa |
| Obosara mgbanaka ime | B | 2.563 n'arọ |
| Center of Bearing from Bearing End | n | 1 in |
| Ibu ibu | 4,66 n'arọ | |