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, 4 bolt circle hole quantity, 1.750 inches nominal outside diameter, 0.994 inches minimum and 0.997 inches maximum outside raised surface diameter, 0.875 inches nominal aperture diameter