Mitundu ya UC imatanthawuza ma Pillow block bearings.

Maonekedwe ake ndikuti m'mimba mwake yakunja kwa mphete yake yakunja ndi gawo lozungulira, lomwe limatha kuyikidwa mugawo lofananira la concave lokhala ndi mpando kuti ligwire ntchito ya centering.Ngakhale ntchito yake yoyambira yokhala ndi mayendedwe ozama a mpira iyenera kukhala yofanana, koma chifukwa cha kuberekako imagwiritsidwa ntchito kwambiri pamakina ovuta, malo oyika siwolondola, nsonga ya shaft yokhala ndi dzenje losalowerera ndale, kapena pansi pa chikhalidwe cha kutalika kwa axial. ndi kupatuka etc, ndi kunyamula palokha mwatsatanetsatane si mkulu, dongosolo ena ndi akhakula, kotero ntchito ya kuyerekeza kwenikweni ntchito pa mfundo zomwezo za mayendedwe zakuya poyambira mpira kusewera ndithu kuchotsera.