The Martin Sprocket & Gear 80BS42 is a single-row roller chain sprocket designed for standard roller chain drives. It features a bore of 2-7/16 inches. As part of Martin's 80BS series, it engages roller chain teeth to transfer rotational motion between shafts in equipment that uses a single-row chain drive. The 80BS42 designation identifies the specific bore/configuration within the 80BS family for compatible drives.
