DIN 5401 : 2002-08 STANDARD (GERMAN STANDARDS)

GRADE Class Nominal diameter Dw (mm) Limit deviations (µm) Ball diameter variation Roundness error Surface roughness Lot diameter variation Subgauge interval Subgauges (µm)
From To VDws Max. (µm) tDws Max. (µm) Ra Max. (µm) VDwL/A Max. (µm) IG, ST (µm)
G3 - - 12.7 ± 5.32 0.08 0.08 0.010 0.13 (L) 0.5 from -5 to -0.5 0 from +0.5 to +5
G5 I - 12.7 ± 5.63 0.13 0.13 0.014 0.25 (L) 1 from -5 to -1 0 from +1 to +5
G10 II - 25.4 ± 9.75 0.25 0.25 0.020 0.50 (L) 1 from -9 to -1 0 from +1 to +9
G16 II - 25.4 ± 11.4 0.40 0.40 0.025 0.80 (L) 2 from -10 to -2 0 from +2 to +10
G20 III - 38.1 ± 11.5 0.50 0.50 0.032 1.0 (L) 2 from -10 to -2 0 from +2 to +10
G28 III - 50.8 ± 13.7 0.70 0.70 0.050 1.4 (L) 2 from -12 to -2 0 from +2 to +12
G40 III - 100 ± 19.0 1.0 1.0 0.060 2.0 (L) 4 from -16 to -4 0 from +4 to +16
G80 III - 100 ± 14.0 2.0 2.0 0.10 4.0 (A) 4 from -12 to -4 0 from +4 to +12
G100 III - 150 ± 47.5 2.5 2.5 0.10 5.0 (L) 10 from -40 to -10 0 from 10 to +40
G200 IV - 150 ± 72.5 5.0 5.0 0.15 10 (L) 10 from -60 to -10 0 from +10 to +60
G300 IV - 25.4 ± 70.0 10 10 0.20 20 (A) 20 from -60 to -20 0 from +20 to +60
G300 IV 25.4 50.8 ± 105 15 15 0.20 30 (A) 30 from -90 to -30 0 from +30 to +90
G300 IV 50.8 75 ± 140 20 20 0.20 40 (A) 40 from -120 to -40 0 0 from +40 to +120
G500 V - 25.4 ± 75.0 25 25 - 50 (A) 50 -50 0 +50
G500 V 25.4 50.8 ± 112.5 25 25 - 75 (A) 75 -75 0 +75
G500 V 50.8 75 ± 150 25 25 - 100 (A) 100 -100 0 +100
G500 V 75 100 ± 187.5 32 32 - 125 (A) 125 -125 0 +125
G500 V 100 125 ± 225 38 38 - 150 (A) 150 -150 0 +150
G500 V 125 150 ± 262.5 44 44 - 175 (A) 175 -175 0 +175
G600 VI all all ± 200 - - - 400 (A) - - 0 -
G700 VI all all ± 1000 - - - 2000 (A) - - 0 -
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