一種圓柱形裝置,其內圈或外圈繞單排或雙排硬化滾珠轉動,滾珠在兩圈之間滾動順暢,從而最大限度地減少摩擦。對於表面經過特殊研磨以用於雙聯安裝的軸承,請參閱“雙聯滾珠軸承”。不含:機架滾珠軸承。
bearing,ball part name assigned by controlling agency, 0.6693 inches nominal overall width, 2.8346 inches nominal overall outside diameter, 1.3780 inches nominal bore diameter, valve,3,4 and 5,globe flow control end item identification