Full ZrO2 Ceramic Bicycle Bearing 6904

Full ZrO2 Ceramic Bicycle Bearing 6904

Ceramic ball bearings are resistant to high temperatures, cold, abrasion, corrosion and insulation and can be used in extremely harsh environments and special conditions. Ceramic ball bearings can be widely used in aviation, aerospace, marine, petroleum, chemical, automotive, electronics, metallurgy, electric power, textile, pumps, medical equipment and scientific research.

Product Details

Product Name
   Deep Groove Ball Bearing  6904
Chrome Steel;Bearing steel;GCr15;high-carbon steel;brass
Place of Origin
Low noise,low libration,long life
Number of Row
Single Row
Inside diameter
Outside Diameter
According to the buyer requests for packaging 

1) The ceramic bearing has the feature of corrosion resistance, the ceramic rolling bearing suitable

for operation under harsh conditions covered corrosion media. 

2) Since the ceramic ball rolling has lower density than steel, so which is much lighter, so when you

rotate the outer ring centrifugal effect can be reduced by 40% , thus greatly extended service


3) The expansion and contraction of the ceramic affected smaller than steel, and therefore the

gap of the bearing is constant, the bearing allows the temperature changes more severe environment.

4) As the ceramic has higher modulus of elasticity than steel, when the force is not easy deformation,

and therefore help to improve the operating speed and achieve high accuracy.


Skating board categories 608 627 miniature ceramic bearings rolamento ceramic

624 Ceramic Housing Wheel ceramic ball bearing

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