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.
139.7 millimeters nominal center to center distance between mounting holes along width, 11.1 millimeters nominal base thickness, 1.5000 inches nominal bore diameter, 50.80 millimeters nominal height from bottom of base to bore centerline, 36.5 millimeters nominal base length