Air engaged straight bore shaft mounted clutch with sealed bearings. Static torque up to 1365 in-lbs at 80 psi, maximum speed 2600 rpm, transmitted horsepower up to 10 hp, continuous thermal dissipation up to 1 hp, bores up to 1.625". Features sealed ball bearings, and splined hub. Available in pilot mount, integral sheave, and coupling models. Optional disc and caliper brake turns some models into clutch-brakes. This clutch's bore can be reduced with bushings found in accessories. Pilot mount clutches accept customer supplied pulleys, sprockets, or Nexen couplings.This unit has shielded bearings. Can be configured as a driving shaft mounted Clutch-Brake, with disc and caliper listed in accessories.