Technical Data ANSI/AFBMA 10-1989 STANDARD (Revision of 1983)

	VDws	Rw	Ra	VDwt
Ball Grade	Allowable Ball Diameter Variation	Allowable Deviation From Spherical Form	Maximum Surface Roughness Arithmetic Average	Allowable lot Diameter Variation	Nominal Ball Diameter Tolerance	Allowable Ball Guage Deviation High Low	Container Marking Increment
Metric um
3	0.08	0.08	0.012	0.13	*	+0.75 -0.75	0.25
5	0.13	0.13	0.02	0.25	*	+1.25 -1.00	0.25
10	0.25	0.25	0.025	0.5	*	+1.25 -1.00	0.25
16	0.4	0.4	0.025	0.8	*	+1.25 -1.00	0.25
24	0.6	0.6	0.05	1.2	*	+2.50 -2.50	0.25
48	1.2	1.2	0.08	2.4	*	*	1.25
100	2.5	2.5	0.125	5	±12.5	*
200	5	5	0.2	10	±25	*
500	13	13	*	25	±50	*
1000	25	25	*	*	*	*	*