1.Material:Gcr15 high carbon chrome bearing steel Φ2.6mm steel wire to make the 3.175mm steel ball
2.Grade: G10 Gauge: ±12 Subgauge:±0.4
3.the main steps to produce the ball: heading,polishing,heat treament,grinding,lapping,packing
4.the product is: possible hardness, technical characteristics,perfectly shiny, compact and defect-free surface,low noise
5.used for bearing item:6804zz,6805zz,6806zz,6807zz,6808zz,6809zz,698zz,699zz 6900zz,6901zz and etc.
6.hrc:62-66
7.Noise:26-30
8.vdws: bellow 0.15um VDWL: bellow 0.20um
9.Diameter: 2.0mm,2.381mm(3/32"), 3.175mm(1/8"), 3.969mm(5/32"),4.763mm(3/16"),5.953mm(15/64"),6.35mm(1/4")