Bọọlụ njikọ aka n'akụkụ nwere ụzọ mgbapụ dị n'ime na nke mpụta nke na-agbanwe agbanwe n'akụkụ ibe ha n'akụkụ axis nke na-ebu ibu. Ya mere, bearings ahụ dabara adaba maka ibu radial na axial na-arụ ọrụ n'otu oge. Ike ibu ibu nke bearings kọntaktị angular na-abawanye ka akụkụ kọntaktị na-abawanye.
