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。
2.750 inches nominal distance from vertical centerline to center of right hole, 0.373 inches minimum and 0.375 inches maximum aperture diameter, 0.812 inches minimum and 0.844 inches maximum countersink diameter, 82.0 degrees nominal countersink angle, flat w/aperture cross-sectional shape style