FLENDER Standard Couplings Appendix © Siemens AG 2015 Fits ■ Overview Fitting recommendations Sliding fit with parallel key connection not suitable for reversing operation For steel and cast hubs j6 H7 h6 J7 Press fit with parallel key connection not suitable for reversing operation For steel and cast hubs h6 K7 k6 H7 Interference fit with parallel key connection suitable for reversing operation For steel and cast hubs m6 H7 n6 H7 h6 M7 Interference fit with parallel key connection suitable for reversing operation h6 P7 k6 M7 m6 K7 n6 J7 p6 H7 s6 F7 Shrink fit connection without parallel key Only for steel hubs The permitted hub tension must be urgently checked.
Only for steel hubs Preferred for ZAPEX and ARPEX coupling series. u6 H6 v6 H6 x6 H6 For many applications, the fit assignment m6/H7 is especially suitable. Deviation table to DIN ISO 286 for above-mentioned fits for bore diameters from 10 mm to 250 mm Cylindrical shaft ends, extract from DIN 748 Part 1 (long) Central holes according to DIN 332 Part 2 *) Dimensions not acc. to DIN 332 Part 2. 1) Diameter refers to the finished workpiece. 2) Tap hole drill diameter according to DIN 336 Part 1.
15 Form DS (with thread) DIN 332/2 15/2 Siemens MD 10.1 · 2015 Description Application Shaft tolerance Bore tolerance Diameter Bore Shaft F7 H7 J7 K7 M7 P7 h6 j6 k6 m6 n6 p6 over to Deviations in µm 10 18 +34 +18 +10 +6 0 -11 0 +8 +12 +18 +23 +29 +16 0 –8 –12 –18 –29 –11 –3 +1 +7 +12 +18 18 30 +41 +21 +12 +6 0 –14 0 +9 +15 +21 +28 +35 +20 0 –9 –15 –21 –35 –13 –4 +2 +8 +15 +22 30 50 +50 +25 +14 +7 0 –17 0 +11 +18 +25 +33 +42 +25 0 –11 –18 –25 –42 –16 –5 +2 +9 +17 +26 50 80 +60 +30 +18 +9 0 –21 0 +12 +21 +30 +39 +51 +30 0 –12 –21 –30 –51 –19 –7 +2 +11 +20 +32 80 120 +71 +35 +22 +10 0 –24 0 +13 +25 +35 +45 +59 +36 0 –13 –25 –35 –59 –22 –9 +3 +13 +23 +37 120 180 +83 +40 +26 +12 0 –28 0 +14 +28 +40 +52 +68 +43 0 –14 –28 –40 –68 –25 –11 +3 +15 +27 +43 180 250 +96 +46 +30 +13 0 –33 0 +16 +33 +46 +60 +79 +50 0 –16 –33 –46 –79 –29 –13 +4 +17 +31 +50 Diameter in mm 24 25 28 30 32 35 38 40 42 45 48 50 55 60 65 70 75 80 85 90 95 100 ISO tolerance zone k6 m6 End length in mm 50 60 80 110 140 170 210 Recommended diameter ranges d61) Form DS d1 d22) d3 d4 d5 t1 t2 t3 t4 t5 over to +2 min.
+1 ca. ca. 7 10 M3 2.5 3.2 5.3 5.8 9 12 2.6 1.8 0.2 t2 M4 3.3 4.3 6.7 7.4 10 14 3.2 2.1 0.3 t1 M5 4.2 5.3 8.1 8.8 12.5 17 4 2.4 0.3 t3 M6 5 6.4 9.6 10.5 16 21 5 2.8 0.4 Parallel keyway t4 M8 6.8 8.4 12.2 13.2 19 25 6 3.3 0.4 t5 M10 8.5 10.5 14.9 16.3 22 30 7.5 3.8 0.6 d2 M12 10.2 13 18.1 19.8 28 37 9.5 4.4 0.7 M16 14 17 23 25.3 36 45 12 5.2 1.0 d6 d3 d4 d5 60° 120° M20 17.5 21 28.4 31.3 42 53 15 6.4 1.3 M24 21 25 34.2 38 50 63 18 8 1.6 d1 6 ,3 M30 *) 26.5 31 40.2 44.6 60 77 22 8 1.9 M36 *) 32 37 49.7 55 74 93 22 11 2.3 M42 *) 37.5 43 60.3 66.6 84 105 26 15 2.7 G_MD10_EN_00198 10 13 13 16 16 21 21 24 24 30 30 38 38 50 50 85 85 130 130 225 225 320 320 500 d3 d4