Get current pricing for Oem, OEM-20248-ID Is An Unused Timing Pulley, Model 20h300. 20 Teeth Bore: 1 5/16 Niches Keyway: 3/8 X 3/16 Inch Bore/pulley Overall Length: 4 1/4 Inches 3 I . Product Category: Process Equipment, Sub Category: Process Miscellaneous: