
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 | UCFL210 | |
| Nrụpụta Mba. | UC210 | |
| Ebe obibi | FL210 | |
| Nha Bolt | M16 | |
| Obere dayameta | d | 50 mm |
| Mgbakọta Ogologo | a | 197 mm |
| oghere oghere Bolt | e | 157 mm |
| Ọgwụgwụ Center of Bearing from Housing | i | 22 mm |
| Obosara flange | g | 15 mm |
| Obosara ụlọ | l | 40 mm |
| Nha oghere Bolt | s | 19 mm |
| N'ozuzu ogologo | b | 115 mm |
| N'ozuzu obosara unit | z | 54.6 mm |
| Obosara mgbanaka ime | B | 51.6 mm |
| Center of Bearing from Bearing End | n | 19 mm |
| Ibu ibu | 2.1 n'arọ | |