PRECISION SHAFTSTECHNICAL DATA1. OverviewMiniTec precision shafts for <strong>linear</strong> bearings are available from stock in all current diameters.Furthermore, we have an extensive inventory of intermediate sizes, special variants, and materials.All quality parameters are optimally selected for use in <strong>linear</strong> guides.Surface roughness: Ra 0,15 µm to 0,3 µm = Rz 1,25 µm to 2,5 µm(see following pages for further details)Diameter tolerance:Circularity:Straightness:up to 100 mm: h6Hard chrome plated variant: h7for SM <strong>linear</strong> bearings of high-precision applications: g6(see following pages for further details)< 1/2 tolerance per DIN ISO 286-2 (tolerance range)< Ø 10 mm: < = 0.3 mm/mfrom Ø 10 mm to Ø 20 mm: < = 0,2 mm/mØ 20 mm and up: < = 0,1 mm/m(see following pages for further details)Materials:Standard Heat-treated steel, e.g. Cf53 (1.1213) - HRC 60-66Miniature shafts Ø 3 and Ø 4 100 Cr6 (W-Nr. 1.3505) - HRC 58-63X90 (W-Nr. 1.1112) - HRC 53-60Hollow shafts 100 Cr6 (W-Nr. 1.3505) - HRC 58-63Special material with increased grain strength 42CrMo4 heat-treated (W-Nr. 1.7225) HRC 53-61(not in stock)Corrosion-resistant shafts X46Cr13 (W-Nr. 1.4034) - HRC 52-55X90CrMoV18 (W-Nr. 1.4112) - HRC 53-60X105CrMo17 (W-Nr. 1.4125) - HRC 53-60Hard chrome-plated shafts Cf53 (W-Nr. 1.1213)Chrome layer thickness: 0,008 bis 0,015,Layer hardness: HRC 65 - 70(see following pages for further details)MiniTec precision shafts are protected by anticorrosives. The protective material must be removed beforeinstallation..Hollow shafts:outside inside Weight Length outer layer depthø mm ø mm kg/m max. mm mm12 4 0,796 4000 1,3 - 1,516 7 1,284 4000 1,4 - 1,620 12 1,578 4000 1,5 - 1,725 14 2,645 4000 1,6 - 1,830 19 3,323 4000 1,7 - 1,840 26 5,697 4000 1,9 - 2,150 35 7,861 4000 1,4 - 2,2MINITEC LINEAR SYSTEM 103
PRECISION SHAFTS2. ShaftsShaft Weight Length Outer layer depth* ISO h6 dimension** ISO g6 dimensionø mm Kg/m max. mm mm above µm below µm above µm below µmh6 h73 0,055 300 fully hardened 0 -8 -10 -2 -84 0,098 400 fully hardened 0 -8 -12 -4 -125 0,154 3500 0,8 0 -8 -12 -4 -126 0,222 3500 0,8 0 -9 -12 -4 -128 0,395 4000 0,9 0 -9 -15 -5 -1410 0,617 4000 0,9 0 -9 -15 -5 -1412 0,888 6000 1,0 0 -11 -1814 1,208 6000 1,2 0 -11 -1815 1,387 6000 1,2 0 -11 -1816 1,578 6000 1,2 0 -11 -1818 1,998 6000 1,6 0 -13 -1820 2,466 6000 1,6 0 -13 -2122 2,984 6000 1,6 0 -13 -2124 3,551 6000 1,8 0 -13 -2125 3,853 6000 1,8 0 -13 -2128 4,834 6000 2,0 0 -13 -2130 5,549 6000 2,0 0 -16 -2132 6,313 6000 2,0 0 -16 -2535 7,553 6000 2,2 0 -16 -2538 8,903 6000 2,2 0 -16 -2540 9,865 6000 2,2 0 -16 -2545 12,45 6000 2,4 0 -16 -2550 15,413 6000 2,4 0 -16 -2560 22,195 6000 2,8 0 -19 -3070 30,210 6000 2,8 0 -19 -3080 39,458 6000 2,8 0 -19 -3090 49,94 6000 3,0 0 -22 -35100 61,654 6000 3,0 0 -22 -35* Outer layer depth [mm] DIN ISO 50190-3 - Tolerance: ± 0,5** DIN Iso 286-2104 MINITEC LINEAR SYSTEM