Kayayyaki

Bearings na ƙwallon hulɗa na layi biyu sun yi daidai da bearings na ƙwallon hulɗa na layi ɗaya guda biyu waɗanda aka shirya a baya-da-baya, amma ba sa ɗaukar sarari a axial. Suna iya ɗaukar nauyin radial da kuma nauyin axial da ke aiki a duka kwatance. Suna ba da tsarin ɗaukar nauyi mai tauri kuma suna iya ɗaukar lokutan karkatarwa. Bearings ɗin suna samuwa a cikin tsari mai buɗewa da kuma wanda aka rufe.