Kayayyaki
Ƙwallon ƙafa na kusurwa ɗaya jere ɗaya na iya ɗaukar nauyin axial a hanya ɗaya kawai.Bearings tare da kusurwar lamba na 30° (A) ko 40° (B) yawanci suna amfani da matsewar ƙarfe, gyare-gyaren guduro, ko cages na tagulla, ko da yake ana amfani da resin roba na roba ko na musamman na resin polyamide don wasu aikace-aikace.