A single or multiple piece item without ball, plain or roller bearing(s). It is designed to meet various or specific conditions of mounting. For items with bearings, see bearing unit, ball; bearing unit, plain; and bearing unit, roller.
2.000 inches nominal base thickness, 1.380 inches nominal counterbore depth, 5.5470 inches minimum and 5.5500 inches maximum bore diameter, 3.500 inches nominal base length, 9.500 inches nominal center to center distance between mounting holes along width