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.
0.6250 inches nominal flange thickness, 4.3125 inches nominal bolt circle diameter, 6.3952 inches minimum and 6.4032 inches maximum overall outside diameter, 3.7498 inches minimum and 3.7508 inches maximum bore diameter, 1.0312 inches nominal housing length