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。
0.156 inches minimum and 0.161 inches maximum counterbore depth, 0.003 inches nominal corner radius, 0.453 inches nominal aperture diameter, 0.4998 inches minimum and 0.5002 inches maximum counterbore diameter, 6 bolt circle hole quantity