Universal Dual Duty Friction Pulleys are available in close grain grey iron construction that ensures durability of operation for longer period of time. These Friction Pulleys are available in a universal dual duty design and accept both wedge and V belts. Dual Duty Friction Pulleys tolerate shock loading and allow Rim speeds up to 40 m/s [8000 feet/min]. Universal Dual Duty Friction Pulleys act as an ideal primer and remove the need for cleaning and coating agents prior to installation.