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。
4 bolt circle hole quantity, steel overall material, 7.500 inches nominal outside diameter, 5.188 inches minimum and 5.250 inches maximum aperture diameter, 5.900 inches minimum and 5.905 inches maximum outside raised surface diameter