Grades - DIN 5401 20020 pages

DIN 5401 (Germany) 1 AUG 2002

Dw VDwstDwRa)VDwLVDwAIG;ST Grade Nominal Ball Diameter Gauge Allowance m max. յm max. m max. յm max. m max. յm max. Mean allowances in Each Grade (m) 5 G3-12,7ձ 5,320,080,080,0100,13- 0,5-5 .. .-0.5 0+0.5 ... +5
G5-12,7 5,630,130,130,0140,25-1-5 ... -1 0+1 ... +5 G10-25,4ѱ 9,750,250,250,0200,5-1-9 ... -1 0+1 ... +9 G16)-25,4 11,4 0,40,40,0250,8-2-10 ... -2 0+2 ... +10 G20)-38,1ѱ 11,5 0,50,50,0321-2-10 ... -2 0+2 ... +10 G28)-50,8 13,7 0,70,70,0501,4-2-12 ... -2 0+2 ... +12 G40-100ѱ 19 110,0602-4-16 ... -4 0+4 ... +16 G80)-100 14 220,1-4,04-12 ... -4 0+4 ... +12 G100-150ѱ 47,5 2,52,50,15-10-40 ... -10 0+10 ... +40 G200-150 72,5 550,1510-10-60 ... -10 0+10 ... +60 G300)-25,4ѱ 70 10100,2-2020-60 ... -20 0+20 ... +60 G300)25,450,8 105 15150,2-3030-90 ... -30 0+ 30 ... +90 G30050,875ѱ 140 20200,2-4040-120 ... -40 0+40 ... +120 G500)-25,4 75 2525--5050-500+50
G50025,450,8ѱ 112,5 2525--7575-750+75
G50050,875 1502525--100100-1000+100
G50075100ѱ 187,5 3232--125125-1250+125
G500100125 225 3838--150150-1500+150
G500125150ѱ 262,54444--175175-1750+175
G600)all 200 ----400--0-
G700)allѱ 1000 ----2000--0- 1 1
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Symbols & Explanations

DwNominal ball diameter DwsSingle diameter of a ball DwmMean diameter of a ball VDwsBall diameter variation VDwlLot diameter variation RaSurface roughness SDeviation from ball gauge tDwDeviation from spherical form (roundness) IGSorting gauges >