Special Features:

751 bore with .060 slot; od is 3.44 inches; tapered shoulder, taper to be .750 in/ft on the od; flange has 4 x 0.358 through holes; also has 2 x 0.312-18 unc thru; flange is .44 inch wide; finish is black zinc electroplate per astm b633, sc3 (.5 mils), type ii or equal;

Properties:

A cylindrical shoulder type item designed to be mounted and secured directly on a shaft or axle to position and retain on its body a gear(s), wheel(s), or the like. Items must have a method of securing directly to the shaft; however, a pilot hole drilled in or through the wall of the shoulder may be considered a method of securing; or by compressing the slotted hub end on the shaft by a hub clamp, which may or may not be included. Excludes bearing, sleeve; bushing, sleeve; and collar, shaft.