Ex90 Slewing Bearing for Excavator Hitachi

Ex90 Slewing Bearing for Excavator Hitachi

This Hardened Steel Ball Bearings with High Precision is made from bearing steel. Bearing steels have high and uniform hardness and wear resistance, as well as high elastic limits. All balls must be passed the procedure of passivation. Each procedure have professional inspector. They will check steel balls each two hours to be sure correct diameter and good surface.
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Product Details

We will relentlessly pursue technological and managerial innovation, and make every effort to promote our 3.969 mm steel ball, small stainless steel ball, Precision Ball Bearings upgrading and industry development. Our technical level and quality assurance enable our products to continuously win the trust and favor of overseas customers. The eternal management idea of our company is to pursue excellence and provide best-qualified product and continuous service.

Product Introduction

This Hardened Steel Ball Bearings with High Precision is made from bearing steel. Bearing steels have high and uniform hardness and wear resistance, as well as high elastic limits. All balls must be passed the procedure of passivation. Each procedure have professional inspector. They will check steel balls each two hours to be sure correct diameter and good surface. So the surface of the  Hardened Steel Ball Bearings with High Precision is smooth and shiny. What's more, this product has good resistance to wear, corrosion and rust. So the steel balls can give a long service life without anty maintenance cost.


Production Process

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Types and Applications

1.They are all passed the ISO and SGS certification and safe to use.

2.HIgh precision(G10) chrome steel balls widely used in bearings.

3.Normal precision(G100) chrome steel balls widely used in grinding, bicycles.

4.304/316 stainless steel balls(G100) widely used in decoration, sex toys, electric iron and any other house machines.

5.420/440 high precision stainless steel balls(G10) widely used in bearings

6.Carbon steel ball (G100) widely used in slide, (G1000) widely used in bicycle bearing .



We make continuous efforts to really improve the quality of Ex90 Slewing Bearing for Excavator Hitachi and effectively drive the improvement of the quality of domestic related products. We exploit larger marketing channels wholeheartedly, expand market share, tap potential business opportunities, trying to develop and grow together with our partners. We insist on continuously creating value for customers with technological innovation and develop products based on customer different needs.
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