The Silent Duplex Bearing reduces friction in the cable pulley for smooth, stable rotation with almost no noise. You can hardly hear it operate, while performance remains steady under load. The flat mount pulley is built from high quality stainless steel with nickel plating for durability and corrosion resistance. Weight capacity: 170 lb. Key features - Low friction, quiet operation: Silent Duplex Bearing delivers smooth rotation and minimal noise. - Durable construction: Flat mount pulley made from stainless steel with nickel plating for long life. - High load capacity: rated to support up to 170 lb. - Easy installation: flat mount design for straightforward mounting in compatible cable pulley systems. Applications - Home workshop and garage cable hoists or winches requiring quiet, reliable performance. - Gym and fitness equipment pulley systems that benefit from smooth, silent operation. - Light industrial or maintenance setups where reliable load handling and reduced noise are important.