Ƙunƙarar ƙwallo mai zurfi ita ce abin jujjuyawar da aka fi amfani da ita.Yana da alaƙa da ƙarancin juriya da juriya mai girma.Ana iya amfani da shi don sassan da ke ɗauke da nauyin radial ko haɗuwa da nauyin radial da axial a lokaci guda.Hakanan za'a iya amfani dashi don sassa masu ɗaukar nauyin axial, kamar ƙaramin motar wuta, mota da akwatin tarakta, akwatin kayan aikin injin, injina gabaɗaya, kayan aiki, da sauransu.
Ƙwallon ƙwallon ƙafa mai zurfi ya fi ɗaukar nauyin radial, kuma yana iya ɗaukar nauyin radial da nauyin axial a lokaci guda.Lokacin da kawai yana ɗaukar nauyin radial, kusurwar lamba ba ta zama sifili ba.Lokacin da zurfin tsagi ball bearing yana da babban radial sharewa, yana da yi na angular lamba bearing kuma zai iya ɗaukar babban axial lodi.Matsakaicin juzu'i na zurfin tsagi ƙwallon ƙafa yana da ƙanƙanta sosai kuma iyakar saurin yana da girma sosai.