1.carbon or stainless or chrome steel ball & bearing 2.hardness of steel ball: 60-66HRc 3.size:1.588-25.4mm 4.grade: 10-1000

Grade	Diameter availale(Dw)	Basic diameter tolerance	Batch diameter variation(Vdwl)	Allowable ball diameter variation(Vdws)	Deviation from spherical from Sph	Surface roughness(Ra)
10	1.588-25.4mm	+/-2.5	0.5	0.25	0.25	0.025
16	1.588-25.4mm	+/-2.5	0.8	0.4	0.4	0.025
24	1.588-25.4mm	+/-2.5	1.2	0.6	0.6	0.05
48	1.588-25.4mm	+/-5	2.4	1.2	1.2	0.08
60	1.588-25.4mm	+/-10	3	1.5	1.5	0.10
100	1.588-25.4mm	+/-12.5	5	2.5	2.5	0.125
200	1.588-25.4mm	+/-25	10	5	5	0.2
500	1.588-25.4mm	+/-50	25	13	13	-
1000	1.588-25.4mm	+/-125	50	25	25	-

          

high carbon steel ball