(mm) 12 14 15 16 18 19 20 22 24 25 26 28 30 32 35 38 40 42 1610 (40.25) 25,4 57 2 3/8 16 M5 20 (mm) 14, 15, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 35, 38, 40, 42, 45, 48, 50 2012 (50.30) 31,8 70 2 7/16 22 M5 20 Bore diameters in bold type are made in steel instead of cast iron. (inches) ⁵⁄ -³⁄ - ⁷⁄ -1 -1¹⁄ -1¹⁄ -1³⁄ -1¹⁄ -1⁵⁄ -1³⁄ -1⁷⁄ - 2 (inches) ³⁄ - ¹⁄ - ⁵⁄ - ³⁄ - ⁷⁄ -1 -1¹⁄ -1¹⁄ -1³⁄ -1¹⁄ -1⁵⁄ (mm) 11, 12, 14, 15, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32 1210 (30.25) 25,4 47 2 3/8 16 M5 20 (inches) ¹⁄ - ⁵⁄ - ³⁄ - ⁷⁄ -1 -1¹⁄ -1¹⁄ (mm) 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 22, 24, 25, 26, 27, 28 1108 (28.20) 22,3 38 2 1/4 13 M3 5,5 (inches) ³⁄ - ¹⁄ - ⁵⁄ - ³⁄ - ⁷⁄ - 1 - 1¹⁄ Size Diameter of the bore (H7) Keyway according to DIN 6885 sheet 1 - JS9 Length (mm) Diameter max. No. Whitworth Set Screws MS (Nm) 8 www.jbj.co.uk/couplings.html #DriveLineHarmony Description ® JUBOFLEX Elastic Couplings SERSIT® taper bushing Length (mm) Screws T Coupling nominal torque Nm KN ϕ Torsion angle ° Nr Number of screw n Maximum rpm min-1 max T Coupling maximum torque Nm Kmax 300 200 100 50 10 5 2 1 kW 100 200 500 1000 2000 5000 10000 -1 min GJ120 GJ70 GJ50 GJ35 GJ25 GJ16 GJ9 GJ4 Technical Data Size TKN (Nm) TKmax (Nm) nmax -1 (min ) Nr Screws GJ4 40 120 8 6.000 6 M8 x 50 GJ9 90 270 8 5.000 6 M10 x 65 GJ16 160 480 8 4.500 6 M12 x 80 GJ25 250 750 7 3.500 6 M14 x 90 GJ35 350 1050 7 3.000 6 M18 x 100 GJ50 500 1500 7 2.800 6 M20 x 115 GJ70 700 2100 8 2.400 6 M20 x 115 GJ120 1200 3600 6,5 2.400 8 M20 x 150 Power Rating ϕ (°)
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