Air engaged straight bore shaft mounted clutch with sealed bearings. Static torque up to 196 in-lbs at 80 psi, maximum speed 3600 rpm, transmitted power up to 5 hp, continuous thermal dissipation up to 0.3 hp, bores up to 0.875". 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. Can be configured as a driving shaft mounted Clutch-Brake, with disc and caliper listed in accessories.