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.
1.000 inches nominal base thickness, 8.120 inches minimum and 9.500 inches maximum center to center distance between mounting holes along width, 3.250 inches nominal center to center distance between mounting holes along length, 4.380 inches nominal base length, 2.1880 inches nominal bore diameter