Conveyor Sprocket 4" 7500 LBS 4" - 15000 LBS 6" - 15000 LBS 6" - 24000 LBS 6" - 30000 LBS Chain Pitch 101.6mm 101.6mm 152.4mm 152.4mm 152.4mm Roller Diameter 31.75mm 47.6mm 47.6mm 66.7mm 66.7mm Inner Width 15.24mm 19.05mm 19.05mm 25.4mm 25.4mm Conveyor Sprocket PM9503S RF90R RF94R S 150040R RF 604R Chain Pitch 76.7mm 101.6mm 101.6mm 101.6mm 152.4mm Roller Diameter 29mm 47.6mm 50.8mm 47.6mm 50.8mm Inner Width 30mm 21.4mm 30mm 18.4mm 30mm