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。
7 bolt circle hole quantity, 6.000 inches minimum and 6.002 inches maximum counterbore diameter, 2.875 inches minimum and 2.877 inches maximum aperture diameter, 0.500 inches nominal counterbore depth, raised surface w/aperture cross-sectional shape style