
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 | SB208-25 | |
| Obere dayameta | d | 1-9/16 nke |
| Dayameta dị n'èzí | D | 3.1496 n'arọ |
| N'ozuzu ibu obosara | B | 1.3386 n'arọ |
| Obosara mgbanaka mpụta | C | 0.7087 n'arọ |
| Center of Bearing from End | s | 0.354 n'arọ |
| Anya site na mkpọchi ihu akụkụ ngwaọrụ gaa n'okporo ụzọ agbụrụ | s1 | 0.984 n'arọ |
| Tọọ ịghasa | ds | 5/16-24UNF |
| Anya site n'akụkụ ihu ruo etiti eri | G | 0.276 n'arọ |
| Ebe dị anya nke OR ruo etiti mpaghara mmanu mmanu | F | 0.232 n'arọ |
| Ndekọ ibu dị ike | C | 17.7 kN |
| Ndekọ ibu kwụ ọtọ | C0 | 10.9 kN |
| Ibu ibu | 0,45 n'arọ | |