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.
0.5625 inches nominal flange thickness, 2.8280 inches nominal housing diameter, 1.2500 inches nominal housing length, 0.8750 inches nominal bore diameter, 3.8906 inches nominal bolt circle diameter