Martin Sprocket & Gear 60BS15 is a bored-to-size sprocket with a 1-3/8 in bore. The part number 60BS15 identifies this specific Martin unit, designed to be bored to a shaft diameter for a precise fit in chain-drive systems. This bore-to-size configuration supports accurate alignment and reliable power transmission in industrial equipment. Use when your drive requires a dedicated bore size specified for the sprocket in your drive train.
