... RNF060, RNF070, RNF080, RNF100, RNF120.Used wherever precisely controlled lifting,lowering,pushing,pulling and rolling movements are required in an ... mm/minTolerance & BacklashTrapezoidal-type screw axial backlash 0.15 mm, radial backlash 0.2 mm,lifting screw outer diameter and ... application, isn’t guided and without any guide rails, lifting screw does not do linear motions, only rotation, especially ...