4C55SD Heavy Duty QD Sheave M2.5x0.45 Max P Value: 500 psi

Max P Value: 500 psi

Full split in bushing allows easy installation and removal

Boston Gear’s internal gears are spur gears turned "inside out

Speed Controls allow for the user to limit the airflow to equipment

the 700 Series provides the newest alternative in brushless DC motor control

4C55SD Heavy Duty QD Sheave M2.5x0.45 Max P Value: 500 psi4C sheaves are precision machined from gray cast iron, statically balanced, painted with baked enamel finish and are individually packaged. Sheaves are bored to accept QD style bushings. Order bushings separately. The last 1 or 2 letters of the sheave part number designates the QD bushing size. Click Here for Catalog Page