一種相對扁平的剛性部件,帶或不帶中心孔,用於將環形軸承或套筒軸承固定在合適的外殼中。必須附有用於安裝的鑽孔和/或螺紋孔。不含:端蓋、電動旋轉設備。
qq-s-634 fed spec single material response overall material document and classification, round style designator, raised surface w/ aperture cross-sectional shape style, steel comp 1018 overall material