Mosebetsi o ka sehloohong ke ho jara mojaro le ho fana ka tataiso e nepahetseng bakeng sa ho potoloha ha hub. E jere mojaro oa axial le mojaro oa radial. Ke karolo ea bohlokoa haholo. Lebili la koloi la setso le entsoe ka lihlopha tse peli tsa li-roller tse tapered kapa li-ball bear. Ho kenya, ho tlotsa oli, ho tiisa le ho lokisoa ha li-bearings ho etsoa moleng oa tlhahiso ea likoloi. Sebopeho sena se etsa hore ho be thata ho bokana fekthering ea likoloi, litšenyehelo tse phahameng le ho se tšepahale hantle. Ho feta moo, ha koloi e hlokomeloa sebakeng sa tlhokomelo, ho beleha ho hloka ho hloekisoa, ho tlotsoa ka oli le ho lokisoa. The hub bearing unit e ntshetswa pele motheong oa maemo a tloaelehileng a li-angular ball bearing le tapered roller bear. E kopanya lihlopha tse peli tsa li-bearings. E na le melemo ea ts'ebetso e ntle ea kopano, ho tlohela phetoho ea tumello, boima bo bobebe, sebopeho se kopaneng, boima bo boholo ba moroalo, mafura a pele a kenyang bakeng sa li-bearings tse tiisitsoeng, ho tlohela ho tiisa hub kantle le ho se lokisoe. E 'nile ea sebelisoa haholo likoloing, E boetse e na le mokhoa oa ho atolosa butle-butle ts'ebeliso ea eona ka literaka.