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。
raised surface w/ aperture cross-sectional shape style, 1.500 inches nominal distance between holes along width, 0.750 inches nominal distance from horizontal centerline to center of lower hole, 3.250 inches nominal outside diameter, 0.6875 inches minimum and 0.7031 inches maximum aperture diameter