Product Description
1.Material:Gcr15 high carbon chrome bearing steel (AISI 52100)
2.Grade: G10
Size:2.0mm,2.381mm(3/32"),3.175mm(1/8"),3.5mm,3.969(5/32"),4.763mm(3/16"), 5.953mm(15/64"),6.35(1/4") 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 small size deep groove bearing,like 688ZZ,689ZZ,6800ZZ,6801ZZ and etc.
HRC: 62-66
Noise:26-30db
vdws: bellow 0.15um