STRA Category: Rotary Ball Spline Description Description Model No. Size Basic torque rating Basic load rating Static permissible moment MA (N‧m) Support bearing basic load rating Mass 2D-CAD (DWG) Diameter O.D. Length Flange diameter Bolt Oil hole E L1 Shaft diameter Rows of balls Cr (N‧m) Cor (N‧m) Ca (kN) Co (kN) Ca (kN) Co (kN) Nut (kg) Shaft (kg/m) D1h7 Dh7 W S×t D2h7 L A T W1 X F 16 48 36 30 M4×0.7P×6 31 50 64 6 56 4.5 10.5 10 21 16 3 31.4 34.3 7.6 12.4 60 6.74 6.36 0.33 1.56 20 56 43.5 36 M5×0.8P×8 35 63 72 6 64 4.5 10.5 12 21 20 3 56.8 55.8 11.2 19.5 120 7.49 8.16 0.48 2.44 25 66 52 44 M5×0.8P×8 42 71 86 7 75 5.5 12.5 13 25 25 3 105 103 15.2 25.3 180 9.45 10.65 0.75 3.82