Kwayoyi masu makulli masu daidaito su ne kayan haɗi na na'urorin makulli masu ɗaukar nauyi. Ana amfani da su don cimma takamaiman kayan aiki na axial a cikin bearings na ƙwallon hulɗa na axial don na'urorin makulli da bearings na birgima na axial/radial don na'urorin makulli masu daidaita nauyi. Haka kuma ana amfani da kwayoyi masu daidaita nauyi a wasu aikace-aikace inda dole ne a tallafa wa ƙarfin axial mai girma kuma ana buƙatar daidaito da tauri mai yawa na axial.
