Bearings na ƙwallon rami mai zurfi galibi suna ɗaukar nauyin radial kuma suna ɗaukar matsakaicin nauyin axial. Tare da ƙarancin haɗin gwiwa, saurin iyakancewa mai yawa. Girman girma da bambancin tsari, sun dace da kayan aiki na daidaitacce, injinan ƙarancin hayaniya, motoci, babura, da sauran injuna na yau da kullun, a matsayin nau'in bearings da ake amfani da su sosai a masana'antar injina.
