FSKW Categories: Ballscrews, Rolled Ballscrews Description Description Note: Stiff ness of nut: Stiff ness values listed above are derived from theoretical formula to the elastic deformation between thread grooves and balls while axial load is 30% dynamic load rating. Screw size Ball DIA. Effeftive turns circuitxnumber of thread BASIC RATE LOAD(kgf) BALLNUT DIMENSION Nut Model No. 2D-CAD (DWG) O.D. Length Flange Assembly Hole Oil Hole STIFFNESS O.D. Lead Dynamic (1×106 REV.) Ca Static Co D L A T W H X Q kgf/μm 12 12 2.381 1.8×2 410 850 25 31 40 6 32 21 4.5 M4x0.7P 13 FSKW1212A-3.6P 15 10 3.175 2.8×2 1000 2570 34 44 57 10 45 40 5.5 M6x1P 26 FSKW1510B-5.6P 20 3.175 1.8×1 380 830 34 45 57 10 45 40 5.5 M6x1P 26 FSKW1520B-1.8P 16 16 3.175 1.8×1 330 640 32 38 53 10 42 38 4.5 M6x1P 9 FSKW1616B-1.8P 20 20 3.175 1.8×2 780 2280 39 52 62 10 50 46 5.5 M6x1P 21 FSKW2020B-3.6P 40 3.175 0.8×2 390 1010 38 41 58 10 40 48 5.5 M6x1P 14 FSKW2040B-1.6P 1.8×1 430 1140 81 16 FSKW2040B-1.8P 25 25 3.969 1.8×2 1230 3570 47 62 74 12 60 56 6.6 M6x1P 27 FSKW2525C-3.6P 1.8×4 2230 7140 52 FSKW2525C-7.2P 32 32 4.762 1.8×2 1760 5500 58 78 92 15 74 68 9 M6x1P 33 FSKW3232D-3.6P 1.8×4 3200 11000 65 FSKW3232D-7.2P 40 40 6.350 1.8×2 2870 9170 73 95 114 17 93 84 11 M6x1P 42 FSKW4040F-3.6P 1.8×4 5220 18340 81 FSKW4040F-7.2P 50 50 7.938 1.8×4 7890 26330 90 122 135 20 112 104 14 M6x1P 103 FSKW5050H-7.2P Related products FSIW Read more FSDW Read more FSMW Read more FSWW Read more