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。
4.360 inches minimum and 4.400 inches maximum outside diameter, 4 bolt circle hole quantity, 0.110 inches minimum and 0.130 inches maximum overall thickness, 2.730 inches minimum and 2.770 inches maximum aperture diameter, flat w/aperture cross-sectional shape style