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。
airport surveillance radar 9 (asr9) end item identification, asr9 conrad type ball bearing with double shielding and steel races and balls. nha rotary joint nsn: 5985-01-313-7839 p/n 1639 special features