... Bearings, Seals, Housing, Self-locking Trapezoidal Screw,etc.* Model: RN-0.5ton, RN-1 ton, RN-2 ton, RN-3 ton, RN ... mm stroke;Low ratio,1 turn shaft,0.25 mm stroke. * Electric Motor Horsepower Range 0.03 ~ 21.5 HP.* Trapezoidal Screw ... mm.* Max Linear Speed 3600 mm/min* Accessories: Bevel Gearbox,Hand Wheel,Electric Motor,Motor Flange,Frequency Inverter,Safety Nut,Steel ...