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, 3.548 inches minimum and 3.553 inches maximum aperture diameter, 5 bolt circle hole quantity, 3.704 inches minimum and 3.716 inches maximum counterbore diameter, 0.280 inches nominal counterbore depth