Air Motor, Output Power @ Maximum Speed 1.7 hp, Maximum Torque 35 in-lb, No Load Speed 3,000 RPM, Maximum Flow Rate 72 cfm, Shaft Diameter 1/2 in, Shaft Length 1 1/8 in, Mount Type Foot, Inlet Size 1/4 in, Air Inlet Type NPT, Rotation CW/CCW, Housing Material Cast Iron, Shaft Material Grade 197-223 BHN, Bearing Protection Not Applicable, Maximum Operating Pressure 100 psi, Includes Muffler, Keyway Width 1/8 in, Weight 7.5 lb, Housing Material Grade G2500, Housing Material Finish Painted