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.
0.4400 inches nominal base thickness, 2.7500 inches nominal housing height, 2.7500 inches minimum and 2.7530 inches maximum bore diameter, 4.7550 inches nominal center to center distance between mounting holes along width, 1.7500 inches nominal height from bottom of base to bore centerline