Skf Ceramic Ball Bearing 689

Skf Ceramic Ball Bearing 689

Since ceramics are hardly corrosive, ceramic rolling bearings are suitable for covering corrosive media. Work under harsh conditions. Since the density of ceramic rolling balls is lower than that of steel, the weight is much lighter, so when rotating, the outer ring Centrifugation can be reduced by 40%, and the service life is greatly extended.

Product Details



Product Name
   Deep Groove Ball Bearing  689
Material
Chrome Steel;Bearing steel;GCr15;high-carbon steel;brass
Place of Origin
China(Mainland)
Feature
Low noise,low libration,long life
Number of Row
Single Row
Inside diameter
   9mm
Outside Diameter
   17mm
Packing
According to the buyer requests for packaging 

Skating board categories 608 627 miniature ceramic bearings rolamento ceramic


624 Ceramic Housing Wheel ceramic ball bearing

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A. plastic box+outer carton+pallets

B. plastic bag+box+carton+pallet

C. tube package+middle box+carton+pallet

D. Of course we will also be based on your needs





Third, the influence of the heat shrinkage of the ceramics is smaller than that of the steel. Therefore, when the clearance of the bearing is constant, the bearing can be allowed to

Work in an environment where the temperature difference changes more severely.

Fourth, since the modulus of elasticity of ceramics is higher than that of steel, it is not easily deformed when subjected to force, so it is beneficial to increase the working speed.

And achieve higher precision.


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