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.
0.9688 inches nominal bore diameter, 3.5000 inches nominal bolt circle diameter, 0.3438 inches nominal mounting hole diameter, iron cast overall material, 2.1875 inches nominal pilot diameter