Air Motor, Output Power @ Maximum Speed 0.9 hp, Maximum Torque 19.5 in-lb, No Load Speed 3,000 RPM, Maximum Flow Rate 30 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, Housing Material Cast Iron, Shaft Material Grade 197-223 BHN, Bearing Protection Not Applicable, Maximum Operating Pressure 100 psi, Includes Muffler, Keyway Width Not Applicable, Weight 4.4 lb, Housing Material Grade G2500, Housing Material Finish Painted