www.jbj.co.uk/couplings.html#flender ØD+T2 T1 H T2 ØD B G_MD10_XX_00172 above up to keyway depth 17 22 6 6 3.5 2.8 +0.1 +15 -12 Diameter Keyway width Parallel key Shaft keyway Hub keyway Deviation for Deviation table for -12.5 -31 -18 -51 -15 -42 30 38 10 8 5 3.3 +0.2 +18 -15 -21.5 -61 85 95 25 14 9 5.4 +0.2 +26 -22 mm mm mm mm mm mm mm μm μm 44 50 14 9 5.5 3.8 +0.2 +21.5 -18 -21.5 -61 10 12 4 4 2.5 1.8 +0.1 +15 -12 -26 -74 38 44 12 8 5 3.3 +0.2 +21.5 -18 75 85 22 14 9 5.4 +0.2 +26 -22 -15 -42 height depth depth shaft & hub keyway width B -21.5 -61 58 65 18 11 7 4.4 +0.2 +21.5 -18 -26 -74 -26 -74 -21.5 -61 50 58 16 10 6 4.3 +0.2 +21.5 -18 D D B H T1 T2 JS9 P9 12 17 5 5 3 2.3 +0.1 +15 -12 -15 -42 22 30 8 7 4 3.3 +0.2 +18 -15 -18 -51 65 75 20 12 7.5 4.9 +0.2 +26 -22 10 3 3 1.8 1.4 +0.1 +12.5 -6 With two parallel keyways, the keyway width tolerance JS9 should be specified in order to simplify the assembly. The shaft keyway width has to be specified with the tolerance N9. In harsh operating conditions or during reversing operation, the keyway width tolerance P9 must be preferred. Parallel Key Connections to Din 6885-1 For moderate operating conditions, the hub keyway tolerance JS9 is recommended. 13 #DriveLineHarmony Fitting Recommendations Mechanical Power Transmission Couplings
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