Roymech engineering encyclopedia

ISO Shaft Limit Nearest Zero Shaft size 400-3150mm



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ISO Shaft Limit Nearest Zero (Fundamental Deviation )..Shaft size 500-3150mm



Deviations in μmetres = (m-6)

ISO Shaft Limit Nearest Zero



Fundamental Deviatons d to u

Over Up -to (Incl.) Fundamental Deviation (es) Fundamental Deviation (ei)
d e ef f fg g h js k m n p r s t u
500 560 -260 -145   -76   -22 0 ITn/2 0 26 44 78 150 280 400 600
560 630 -260 -145   -76   -22 0 ITn/2 0 26 44 78 155 310 450 660
630 710 -290 -160   -80   -24 0 ITn/2 0 30 50 88 175 340 500 740
710 800 -290 -160   -80   -24 0 ITn/2 0 30 50 88 185 380 560 840
800 900 -320 -170   -86   -26 0 ITn/2 0 34 56 100 210 430 620 940
900 1000 -320 -170   -86   -26 0 ITn/2 0 34 56 100 220 470 680 1050
1000 1120 -350 -195   -98   -28 0 ITn/2 0 40 66 120 250 520 780 1150
1120 1250 -350 -195   -98   -28 0 ITn/2 0 40 66 120 260 580 840 1300
1250 1400 -390 -220   -110   -30 0 ITn/2 0 48 78 140 300 640 960 1450
1400 1600 -390 -220   -110   -30 0 ITn/2 0 48 78 140 330 720 1050 1600
1600 1800 -430 -240   -120   -32 0 ITn/2 0 58 92 170 370 820 1200 1850
1800 2000 -430 -240   -120   -32 0 ITn/2 0 58 92 170 400 920 1350 2000
2000 2240 -480 -260   -130   -34 0 ITn/2 0 68 110 195 440 1000 1500 2300
2240 2500 -480 -260   -130   -34 0 ITn/2 0 68 110 195 460 1100 1650 2500
2500 2800 -520 -290   -145   -38 0 ITn/2 0 76 135 240 550 1250 1900 2900
2800 3150 -520 -290   -145   -38 0 ITn/2 0 76 135 240 580 1400 2100 3200
Over Up -to (Incl.) d e ef f fg g h js k m n p r s t u
Fundamental Deviation (es) Fundamental Deviation (ei)