Product Description
1.Material:Gcr15 high carbon chrome bearing steel
2.Grade: G10 Size:2.0mm Gauge: ±12 Subgauge:±0.4 HRC:62-66 Noise:26-30db
3.the main steps to produce the ball: heading,polishing,heat treament,grinding,lapping,packing
the product is: possible hardness, technical characteristics,perfectly shiny, compact and defect-free surface,low noise
4.normally for deep groove ball bearing item no.605,6704 R3 and etc.
5.10000pcs 0.326kg;30,700,000pcs/ton
6.VDWS: bellow 0.15um
7.VDWL: bellow 0.20um