Mbido bọọlụ dị omimi bụ ihe eji atụgharị agbagharị.A na-eji ya na-eguzogide obere esemokwu na nnukwu ọsọ.Enwere ike iji ya maka akụkụ ndị na-ebu ibu radial ma ọ bụ jikọtara ibu nke radial na axial n'otu oge.A pụkwara iji ya mee ihe maka akụkụ ndị na-ebu ibu axial, dị ka obere moto ike, ụgbọala na traktọ gearbox, igwe ngwá ọrụ gearbox, igwe n'ozuzu, ngwá ọrụ, wdg.
Igwe bọọlụ dị omimi na-ebu ibu radial, ma nwekwara ike iburu ibu radial na ibu axial n'otu oge.Mgbe ọ na-ebu naanị ibu radial, akụkụ kọntaktị bụ efu.Mgbe oghere bọọlụ miri emi nwere nnukwu mkpochapụ radial, ọ nwere arụmọrụ nke kọntaktị angular ma nwee ike iburu ibu axial buru ibu.Ọnụọgụ esemokwu nke ịgba bọọlụ miri emi dị obere na oke oke ọsọ dịkwa oke elu.