Mmebi na-agbagharị agbagharị n'ihi oke ọkụ: nnukwu ngbanwe nke ihe ndị na-ebu ibu *).Nrụrụ rọba n'ụzọ agba ọsọ/mgbagharị dị njọ.Ọnọdụ okpomọkụ na-agbanwe nke ọma.Akwụsịla ibu FAG ọtụtụ oge, lee foto 77. Isi ike dị ala karịa 58HRC.Ihe kpatara ya: A naghị achọpụta ọdịda nke bearings n'ihi oke ọkụ.Ihe nwere ike ime: - Nkwụsị ọrụ nke ihe na-arụ ọrụ dị ntakịrị, karịsịa na oke ọsọ ọsọ - Ezughị oke mmanye - Radial preload n'ihi isi mmalite okpomọkụ dị n'èzí - Mmanya na-egbuke egbuke - arụ ọrụ na-egbochi ya n'ihi mgbawa oghere.

Usoro mmezi: - Mmụba mkpochapụ - Ọ bụrụ na enwere ebe okpomọkụ dị n'èzí, hụ na ikpo ọkụ na ịdị jụụ na-adị ngwa ngwa, ya bụ kpo oku nke otu ihe eji ebu ihe niile - Zere nrụpụta mmanu mmanu - Meziwanye mmanye mmanu ọnọdụ 77: Igwe mkpuchi cylindrical na-ekpo ọkụ nwere nrapado miri emi. indentations na raceway nke rollers.*) Nkọwa nke discoloration: Mgbe ihe na-ebute ya na-agba agba, ọ na-ejikọta ya na ikpo oke ọkụ.Ọdịdị nke agba aja aja na-acha anụnụ anụnụ metụtara ọnọdụ okpomọkụ na oge okpomọkụ.Ihe omume a yiri agba agba mmanụ n'ihi oke okpomọkụ ya (lee isi 3.3.1.1).Ya mere, ọ gaghị ekwe omume ikpe ikpe ma okpomọkụ na-arụ ọrụ dị oke elu naanị site na ngbanwe.Ọ nwere ike na-ekpe ikpe site discoloration ebe ma ọ na-akpata site tempering ma ọ bụ griiz: nke ikpeazụ na-emekarị nanị na-eme na ibu-ebu ebe nke Rolling ọcha na yiri mgbaaka, na mbụ na-emekarị na-ekpuchi nnukwu ebe nke ibu elu.Otú ọ dị, nanị ihe e ji achọpụta maka ọnụnọ ma ọ bụ enweghị ọrụ okpomọkụ dị elu bụ ule siri ike.