Twin round belt drive pulley made from fiberglass reinforced nylon. Our twin pulley normally fits two 5/16" round belts, and works with any round belt down to 1/16". It can be used with a 3/8" round belt tire in one groove and a 5/16" drive belt in the other groove. OD is 2.25", ID is 1.83", 1.01" width.
See this page for more information about the twin pulley. Standard drive shaft sizes are
3/8",
1/2",
5/8",
3/4" and
1".
1/4" and
5/16" drive bores are available via bronze bushings which reduce the ID of our 3/8" and 3/4" drive bores. Comes with set screw and keyway. Note picture is of the idler version, not drive.