Martin Sprocket & Gear 6020 Sprocket with a 1-1/2 in bore is a chain-drive sprocket designed for mounting on a 1.5 inch shaft. The bore size denotes the shaft diameter required for secure attachment in power-transmission assemblies. This 6020 model from Martin Sprocket & Gear is suitable for equipment that specifies a 1.5 inch bore on the drive sprocket.
