A budget hub solution to mate your 5/8 inch output shaft directly to a wheel. Plain bore, no keyway. One set screw to hold firmly against a flat on a shaft.
3-3/4" outer Diameter
4-bolt holes pre-drilled, 3/16in.
Bolt hole spacing from inner edge to inner edge: 1-7/16in.
2.5" bolt circle
5/8" Bore
10oz