Full Ceramic Zirconia Ball Bearing
  • ball bearings for bikes
  • ball bearings for bikes

ball bearings for bikes

  • Description:
  • Ceramic Bearings,  ZrO2 stands for the zirconium dioxide, also known as zirconia or zirconium oxide, they   are white colored, a ZrO2 ball looks exactly like a pearl.

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  • Description
  • Product list
  • Our Services
  • FAQ
  • Ceramic Ball Bearing Details:

    • 1. Type: 6205 2RS , 62050ZZ , 6205 2LS , 6205 NR , 6205 N , 6205 DDU , 6205 LLU 
    • 2. Brand Name: UMT, NTN, NSK, TIMKEN, KOYO,NACHI , IKO , ect.
    • 3. Bore Size: 25mm
    • 4. Outside Diameter: 52 mm
    • 7. Precision Rating: ABEC-1/ P0, ABEC-3/P6, ABEC-5/P5, ABEC-7/P4
    • 8. Seals Type: open , 2RS , ZZ
    • 9. Number of Row: Single Row , Double Row
    • 10. Material: Chrome steel, Stainless steel
    • 11. Cage: Steel,Brass,Nylon
    • 12. Clearance: C0,C1,C2,C3,C4,C5 etc.
    • 13. Vibration: V1,V2,V3 , v4
    • 14. Service: OEM Service & Good Service
    • 15. Sample available: Yes
    • 16. Manufacturer: Yes



    1. Ceramic bearing has the characteristics of high temperature resistance, cold resistance, abrasion resistance, corrosion resistance and insulation, and can be used in extremely bad environment and special conditions.

    2. Ceramic  bearings can be widely used in aviation, spaceflight, navigation, petroleum, chemical industry, automobile, electronics, metallurgical, power, textile, pumps, medical equipment and scientific research.

    • Our Services 

      1. Full technical support from concept design to final product delivery 

      2. On-time delivery with no compromise on quality 

      3. High-quality product making with advanced equipment and techniques 

      4. Large-scale of proudction availabl 

      5. Lower cost (medium-size factory, 3000 square meters), but high-end quality only(the 
      same quality control system as per big factory)  

       6. Any questions to be sent will get response within 24 hours

    • FAQ

       a) How to prolong service life of bearings? 

      Accurate installation and using,alignment,timely monitor,re lubrication etc.

      b) Reason for bearings failure? 

      Usually is incorrect using method,pollution,improper use of lubricant,damage happened 
      in installation and handing,also including installation error.according to the traces can 
      know the reason why is failure.

      c) How to choose bearings? 

      Analyse mechanical device and use conditions.clear the requiremment of 
      bearings.select type of bearings,select distribution way of bearings.selet dimensions of 
      bearings,select installation method of bearings.

      d) When select bearings specifications,what you need to consider? 

      The precision of the bearings(rotating precision,dimensional tolerances)internal 
      clearance and preload bearing material and heat treatment.structure of cage and material. 

      e) Payment method,packing way,transport method,time of delivery?      T/T,PAYPAL,WESTERN UNION,L/C     Tube,box,carton,pallet,     By sea,by air      3-15days after receipt of payment.

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