Model No. Ball screw unit Ball spline Detail  specifi- cations CAD Dimensional drawing Screw  shaft outer  diameter d Lead Ph Ball center-to- center  diameter dp Outer  diameter D g6 Flange  diameter D1 Length L1 Flange  diameter D5 Length L2 2D (DXF) 3D mm mm mm mm mm mm mm mm NS 1616 16 16 16.65   52       0 –0.007 68 43.5 51   50       0 –0.2 NS 2020 20 20 20.75   62       0 –0.007 78 54 58   63       0 –0.2 NS 2525 25 25 26   72       0 –0.007 92 65 65   71       0 –0.3 NS 3232 32 32 33.25   80       0 –0.007 105 80 77   80       0 –0.3 NS 4040 40 40 41.75   110       0 –0.008 140 98 100   100       0 –0.3 NS 5050 50 50 52.2   120       0 –0.008 156 126 124   125       0 –0.3  

Model No. Ball screw unit Ball spline Detail  specifi- cations CAD Dimensional drawing Screw  shaft outer  diameter d Lead Ph Ball center-to- center  diameter dp Outer  diameter D g6 Flange  diameter D1 Length L1 Flange  diameter D5 Length L2 2D (DXF) 3D mm mm mm mm mm mm mm mm NS 0812A 8 12 8.4 32 44 28.5 32 25 NS 1015A 10 15 10.5 36 48 34.5 42 33 NS 1616A 16 16 16.65 48 64 40 51   50       0 –0.2 NS 2020A 20 20 20.75 56 72 48 58   63       0 –0.2 NS 2525A 25 25 26 66 86 58 65   71       0 –0.3 NS 3232A 32 32 33.25 78 103 72 77   80       0 –0.3 NS 4040A 40 40 41.75 100 130 88 100   100       0 –0.3