This Ball Screw achieves zero-backlash through a constant preloading method by shifting the phase with the central part of a simple nut as the spring structure

Model No. Screw  shaft  outer  diameter d Lead Ph Ball  center-to- center  diameter dp   Outer  diameter D g6 Flange  diameter D1 Overall  length L1 Basic load rating Detail specifications CAD Dimensional drawing Dynamic  rating Ca Static  rating C0a 2D  (DXF) 3D mm mm mm mm mm mm kN kN JPF 1404-4 14 4 14.4 26 46 52 2.8 5.1 JPF 1405-4 14 5 14.5 26 46 60 3.9 8.6 JPF 1605-4 16 5 16.75 30 49 60 3.7 8.2 JPF 2005-6 20 5 20.5 34 57 80 6 16 JPF 2505-6 25 5 25.5 40 66 80 6.9 20.8 JPF 2510-4 25 10 26.8 47 72 112 11.4 24.5 JPF 2805-6 28 5 28.75 43 69 80 7.3 23.9 JPF 2806-6 28 6 28.5 43 69 90 7.3 23.9 JPF 3210-6 32 10 33.75 54 88 135 19.3 49.9 JPF 3610-6 36 10 37 58 98 138 20.6 56.2 JPF 4010-6 40 10 41.75 62 104 138 22.2 65.3