
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 | SA208 | |
| Obere dayameta | d | 40 mm |
| Dayameta dị n'èzí | D | 80 mm |
| N'ozuzu ibu obosara | B | 43.7 mm |
| Obosara mgbanaka dị n'ime | B1 | 30.2 mm |
| Obosara mgbanaka mpụta | C | 18 mm |
| Center of Bearing from End | s | 11 mm |
| Tọọ ịghasa | ds | M8X1 |
| Anya site n'akụkụ ihu ruo etiti eri | G | 6,8 mm |
| Ebe dị anya nke OR ruo etiti mpaghara mmanu mmanu | F | 5,9 mm |
| Obosara mkpuchi mkpuchi | BS | 18.3 mm |
| N'èzí dayameta nke mkpọchi olu akwa | d3 | 60.3 mm |
| Ndekọ ibu dị ike | C | 17.7 kN |
| Ndekọ ibu kwụ ọtọ | C0 | 10.86 kN |
| Ibu ibu | 0,6 n'arọ | |