Conveying Chain Sprocket; 23MM Bore; 25.4MM Pitch; 2260 Modular - Flat Top Size; 18 Teeth; A-No Hub Type; Finished Bore; Round; 146.8MM Outside Diameter; 146.304MM Pitch Diameter; Straight Running Modular - Flat Top Type; Polyamide Material; No Grooved; Split; No Keyway