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。
flat w/aperture cross-sectional shape style, 8 bolt circle hole quantity, 4.680 inches minimum and 4.720 inches maximum outside diameter, 0.125 inches nominal overall thickness, 3.300 inches minimum and 3.340 inches maximum aperture diameter