DIN 5401 Standard

Technical Data – DIN 5401 (Germany) TEIL 1 NOV 1993

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	Dw			VDws	tDw	Ra	VDwL	VDwA	IG;ST
Grade	Nominal Ball Diameter		Gauge Allowance	μm max.	μm max.	μm max.	μm max.	μm max.	μm max.	Mean allowances in each Grade μm
G3	–	12	± 5.32	0,08	0.08	0.010	0.13	–	0.5	-5 … -0.5	0	+0.5 … +5
G5	–	12	± 5.63	0,13	0.13	0.014	0.25	–	1	-5 … -1	0	+1 … +5
G10	–	25	± 9.75	0.25	0.25	0.020	0.5	–	1	-9 … -1	0	+1 … +9
G16	–	25	± 11.4	0.4	0.4	0.025	0.8	–	2	-10 … -2	0	+2 … +10
G20	–	38	± 11.5	0.5	0.5	0.032	1	–	2	-10 … -2	0	+2 … +10
G28	–	50	± 13.7	0.7	0.7	0.050	1.4	–	2	-12 … -2	0	+2 … +10
G40	–	100	± 19	1	1	0.060	2	–	4	-16 … -4	0	+4 … +16
G100	–	150	± 47.5	2.5	2.5	0.125	5	–	10	-40 … -10	0	+10 … +40
G200	–	150	± 72.5	5	5	0.200	10	–	15	-60 … -15	0	+15 … +60
G500	–	25	± 75	25	25	–	–	50	50	-50	0	+50
	25	50	± 112.5	25	25	–	–	75	75	-75	0	+75
	50	75	± 150	25	25	–	–	100	100	-100	0	+100
						–	–
	75	100	± 187.5	32	32	–	–	125	125	-125	0	+125
	100	125	± 225	38	38	–	–	150	150	-150	0	+150
	125	150	± 262.5	44	44	–	–	175	175	-175	0	+175
G600	all		± 200	–	–	–	–	400	–	–	0	–
G700	all		± 1000	–	–	–	–	2000	–	–	0	–

Technical Data – DIN 5401 JAN 1978 (superseded Nov 1993)

Class	Diameter (Nominal Dimension) mm	Gauge Allowance µm	Tolerance In Each Grade µm	Mean Allowances In Each Grade µm											Permissible Geometrical Deviation µm
I	Up to 10	± 10.25	0.5	-10	…	-1.5	-1	-0.5	0	+0.5	+1	+1.5	…	+10	0.25
II	Up to 25	± 10.5	1	-10	…	-3	-2	-1	0	+1	+2	+3	…	+10	0.5
III	Up to 25	± 11	2	-10	-8	-6	-4	-2	0	+2	+4	+6	+8	+10	1
	Over 25 to 50	± 13.5	3		-12	-9	-6	-3	0	+3	+6	+9	+12		1.5
	Over 50 to 75	± 14	4			-12	-8	-4	0	+4	+8	+12			2
	Over 75 to 100	± 17.5	5			-15	-10	-5	0	+5	+10	+15			2.5
	Over 100 to 125	± 21	6			-18	-12	-6	0	+6	+12	+18			3
	Over 125 to 150	± 24.5	7			-21	-14	-7	0	+7	+14	+21			3.5
IV	Up to 10	± 14	4			-12	-8	-4	0	+4	+8	+12			2
V	Up to 25	± 75	50					-50	0	+50					25
	Over 25 to 50	± 113	75					-75	0	+75					38
	Over 50 to 75	± 150	100					-100	0	+100					50
	Over 75 to 100	± 188	125					-125	0	+125					63
	Over 100 to 125	± 225	150					-150	0	+150					75
	Over 125 to 150	± 263	175					-175	0	+175					88
VI		± 200	400

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