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689 ZrO2 Ceramic Deep Groove Ball Bearings Wear Resistance For Bicycle Wheel

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689 ZrO2 Ceramic Deep Groove Ball Bearings Wear Resistance For Bicycle Wheel

689 ZrO2 Ceramic Deep Groove Ball Bearings Wear Resistance For Bicycle Wheel
689 ZrO2 Ceramic Deep Groove Ball Bearings Wear Resistance For Bicycle Wheel 689 ZrO2 Ceramic Deep Groove Ball Bearings Wear Resistance For Bicycle Wheel

Large Image :  689 ZrO2 Ceramic Deep Groove Ball Bearings Wear Resistance For Bicycle Wheel

Product Details:
Place of Origin: China
Brand Name: WI-TECH
Model Number: 689
Payment & Shipping Terms:
Minimum Order Quantity: 10 pcs
Price: 5-10$
Packaging Details: Carton
Delivery Time: 10-30 days
Payment Terms: T/T, Western Union
Supply Ability: 100,000 pcs/month
Detailed Product Description
Bore Dia: 9mm Outer Dia: 17mm
Width: 4mm Rings: ZrO2
Balls: ZrO2 Cage: PTFE
Product: 689 Ceramic Bearings Feature: High Speed, High Temperature ,Wear Resistance, Corrosion Resistance

689 ZrO2 Ceramic Deep Groove Ball Bearings Wear Resistance For Bicycle Wheel

 

Deep Groove Ball Bearing Detail:

Deep Groove Ball Bearings are the most common form of rolling bearings and are used in many types of applications; particularly those where high speeds and low power loss are required. Deep groove ball bearings can handle not only radial forces, but also moderate axial loads in both directions. They are easy to install and can be deployed in a variety of configurations.
 

Ceramic Bearing Dimension:

689 ZrO2 Ceramic Deep Groove Ball Bearings Wear Resistance For Bicycle Wheel 0

 

Bearing Model

Bore Dia (d)

Outer Dia (D)

Width (B)

689RS 9mm 17mm 4mm

 

 

Ceramic Ball Bearings Feature:

  • Wear Resistance
  • Corrosion Resistance
  • Grease-free, Self-lubrication
  • Non-magnetic
  • Electrical Insulation
  • High Temperature Resistance
  • Low Temperature Resistance
  • Harsh Environment Conquered
  • Low Vibration and Noise 
Chemical medium Molecular formula Contents Temperature Anti-corrosion property
AceticAcid CH3COOH 80% Boiling Excellent
Anhydrides (CH3CO)2O 50% ~ 80% Boiling Excellent
Water+Sodium chloride H2O+NaCl   Boiling Excellent
carbonic acid H₂CO₃   Boiling Excellent
copper CU   1400℃ Excellent
food acid     Boiling Excellent
Juice acid     Boiling Excellent
hydrochloric acid HCl 35% 25℃ Good
hydrochloric acid+Ferric oxide HCl+Fe2O3   Boiling Good
Hydrofluoric Acid HF   25℃ not resistant
Nitric acid HNO₃ 83% 25℃ Excellent
Nitric acid+hydrochloric acid HNO₃+HCl 80%+20% Boiling Excellent
Phosphoric acid H₃PO₄ 85% 25℃ Excellent
Potassium hydroxide KOH   25℃ Excellent
Sodium Carbonate+Sulfuric acid Na2CO3+H₂SO₄ 18%/20% 25℃ Excellent
Sodium hydroxide NaOH 50% Boiling Excellent
Sulfuric acid H₂SO₄ 20% 25℃ Excellent
Sulfuric acid H₂SO₄ 80% 50℃ Good
Aluminum AL 100% 700℃ Excellent
hydrochloric acid HCl 35% 25℃ Good
hydrochloric acid+Ferric oxide HCl+Fe2O3   Boiling Good
Hydrofluoric Acid HF   25℃ not resistant
Zinc ZN 100% 500℃ Good

 

Abec 3 Ball Bearings Application:

  • Semiconductor/FPD/High-performance Film
  • Food Equipment
  • Medical Equipment
  • Vacuum Equipment 
  • Chemical Equipment 
  • Renewable Energy
  • Pharmaceutical Equipments
  • Automotive
  • Bicycle Wheel, Skateboard, Motor Wheel


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Contact Details
HEFEI GREAT IMPORT AND EXPORT CO., LTD.

Contact Person: Michael

Tel: +86 135 0051 8211

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