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。
3.625 inches nominal outside diameter, 0.594 inches nominal aperture diameter, 2.436 inches minimum and 2.439 inches maximum outside raised surface diameter, steel overall material, 4 bolt circle hole quantity