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.
0.5450 inches minimum and 0.5470 inches maximum bore diameter, 0.5820 inches minimum and 0.5920 inches maximum housing length, 2.7900 inches minimum and 2.8100 inches maximum housing width, 0.2620 inches nominal flange thickness, 2.3000 inches nominal bolt circle diameter