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.
aluminum alloy 6061 housing material, 2.3750 inches minimum and 2.3760 inches maximum bore diameter, 0.1910 inches minimum and 0.1980 inches maximum mounting hole diameter, qq-a-250/11 t651 fed spec single material response housing material document and classification, round, unthreaded mounting hole type