一種均質球體,由一系列球體構成,構成軸承中的滾動元件,即球(經過改良)。此部件主要用於減輕摩擦。它也可能用於其他用途,例如球式止回閥中的止回部件。不含:止回球;附孔球閥。
ams 6491 assn std single material response overall material document and classification, steel comp m50 overall material, 0.1555 inches nominal rolling element diameter, balls, bearing, grade 10, aircraft-quality steel part name assigned by controlling agency, c-5 aircraft end item identification