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, 5.875 inches nominal outside diameter, 3.500 inches nominal aperture diameter, 0.312 inches nominal counterbore depth, 5.125 inches nominal counterbore diameter