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。
counterbored w/ aperture cross-sectional shape style, 7.500 inches nominal aperture diameter, 6 bolt circle hole quantity, 0.330 inches minimum and 0.332 inches maximum counterbore depth, 7.873 inches minimum and 7.878 inches maximum counterbore diameter