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.
0.313 inches nominal bolt circle diameter, 5.9000 inches minimum and 5.9030 inches maximum housing diameter, 0.1870 inches minimum and 0.1880 inches maximum flange thickness, motor, spanwir end item identification, 3.2500 inches minimum and 3.2600 inches maximum bore diameter