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.
4.0000 inches nominal housing diameter, steel overall material, 3.5000 inches nominal bolt circle diameter, 0.5625 inches nominal housing length, 1.4375 inches nominal bore diameter