Electric Motor Bearing Steel Ball

1.Material:Gcr15 high carbon chrome bearing steel( AISI E52100)  JIS SUJ2 

2.Grade: G10  Z4  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 special and and fine producing-technique;the tiptop production equipment,like:super-fine dringding machine from Germany,resin super-fine grinding machine from Japan; the precision test equipment,like:automatic stee-ball shape tester,Single&Double-view metalloscope,Rockwell & Vickers hardness tester,stee-ball vibration measurer,roundness meter and etc;and an appropriate scale of operation                           

5.the product is: possible hardness, technical characteristics,perfectly shiny, compact and defect-free surface,low noise

HRC:62-66                Noise: 26db   VDWS: bellow 0.15um   VDWL: bellow 0.20um

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Category: Electric Motor Bearing Steel Balls
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