Table Milling Machine Power Feed X-Axis Torque 135 LBS Mill Fits Bridgeport Acer Power feed X axis ; X traverse Torque: 135in-lb peak / 100in-lb continuous ;Feed rate: 0.4 to 37.4 IPM Variable speed: 0-140 RPM ; Speed: 0-200 RPM ; Horsepower: 1-3HP For 5/8" shaft with keyway; 135lbs of torque ; Increase milling efficiency ; No more gear charge hassles Quantity: 1 ;Overall dimension: 5''L x 8/38''W x 11-1/4''H ; Weight: 9.85lbs (just machine) ; Fits all Bridgeport style machine