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China Zys Diameter 42.8625mm Polished Tungsten Carbide Bearing Ball with ISO9001 Certification pictures & photos

China Zys Diameter 42.8625mm Polished Tungsten Carbide Bearing Ball with ISO9001 Certification

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Min. Order / Reference FOB Price
1 Pieces	US $0.10/ Pieces

Local Area:	Luoyang, Henan, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T

Customized:	Customized
Certification:	CE, ISO
Standard Parts:	Yes

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Product Description

ZYS Diameter 42.8625mm Polished Tungsten Carbide Bearing Ball with ISO9001 Certification
Brief Introduction of bearing ball
ZYS has applied special technology to steel ball production,such as cold treatment, quadratic stable treatment, 100% AVIKO eddy current inspection.
The followings are our main steel ball products:
1. ZGCr15 high carbon chrome steel balls: have better performance than GCr15
2. 9Cr18, 9Cr18Mo high carbon chrome stainless steel balls: the properties and
applications of 9Cr18Mo and 9Cr18 are almost the same, but 9Cr18Mo is harder and
temper resistant after quenching.
3. Cr4Mo4V high temperature steel balls: especially for aero engine bearings and
bearings working in high temperatures below 316ºC with DN 2.6 x106 more or less.
4. Other steel balls with special materials.
We also have ceramic balls and carbide balls.

Manufacture process of steel ballsStep 1 HeadingBalls blanks are cold headed from rolls of wire.Step 2 FlashingRolling balls between two hard alloy plates to removes the slight band
and small protrusions.Step 3 Heat treatHeating balls to a high temperature in furnace and quenching balls in a liquid bath.Step 4 Rough grindRolling balls between the face of a fixed iron plate and a very hard fire-grit grinding wheel. Then rolled the hardened ground balls between two cast iron plates.Step 5 CleaningThe final production operation cleans the finished balls and adds a shiny luster.Step 6 Final
InspectionBalls are gauged, visually inspected and subjected to other quality tests to insure
every customer's specifications are achieved.Step 7 PackagingThe balls are packaged in accordance with customer specifications for shipping.

1. Service on custom bearing

We are non-standard bearing manufacturing expert. We have a professional team engaged in the design, development and manufacture special bearing to meet your special requirements.

2. Service on bearing inspection
We are sincerely to provide you with the following services on bearing inspection:
(1) Reference transfer,verification and repair of measuring devices, bearing instruments calibration, position measuring, components inspection, samples surveying and mapping.

(2) Quality and index inspections of heat treatment, physical and chemical indicators inspections of materials, grinding index inspection, pressure inspection, bearing failure and waste bearing analysis.

(3) Precision grade inspection for different types of bearings, rolling elements and bearing accessories inspection, vibration and clearance master transfer, bearing inspecting instruments calibration.

3. Service on metal material inspection
We undertake many physical and chemical inspections, including heat treated structure evaluation of bearing parts, the inspections on the depth and hardness of surface deteriorative layer, magnetic particle inspection, retained austenite inspection, contact fatigue life test, etc.