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。
3.499 inches minimum and 3.502 inches maximum counterbore diameter, 0.490 inches minimum and 0.510 inches maximum counterbore depth, 4 bolt circle hole quantity, 3.290 inches minimum and 3.310 inches maximum aperture diameter, 5.986 inches minimum and 6.066 inches maximum outside diameter