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 bolt circle hole quantity, 0.490 inches minimum and 0.510 inches maximum counterbore diameter, 1.390 inches minimum and 1.410 inches maximum length, 0.343 inches minimum and 0.345 inches maximum aperture diameter, 0.308 inches minimum and 0.313 inches maximum counterbore depth