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。
0.894 inches nominal aperture diameter, model 5972-3 in. fairbanks-morse salt water pump aboard 378 ft coast guard vessels end item identification, 4.250 inches nominal outside diameter, recessed w/ aperture cross-sectional shape style, 4 bolt circle hole quantity