Premium hybrid ceramic deep groove ball bearings designed for bicycles, offering smoother rotation, lower heat generation, and extended service life. Ideal for high-speed cycling, mountain bikes, and electric bike applications.
Model | Bore Diameter (mm) | Outer Diameter (mm) | Width (mm) | Material | Load Capacity (kN) |
---|---|---|---|---|---|
6800 | 10 | 19 | 5 | Chrome Steel/Ceramic | 2.3 |
6801 | 12 | 21 | 5 | Chrome Steel/Ceramic | 2.7 |
6802 | 15 | 24 | 5 | Chrome Steel/Ceramic | 3.1 |
6804 | 20 | 32 | 7 | Chrome Steel/Ceramic | 4.5 |
6805 | 25 | 37 | 7 | Chrome Steel/Ceramic | 5.2 |
Feature | Hybrid Ceramic | Steel |
---|---|---|
Weight | 40% Lighter | Standard |
Heat Resistance | Up to 220°C | Up to 150°C |
Corrosion Resistance | High | Moderate |
Lubrication Needs | Reduced by 70% | Regular |
6800 series bearings are ideal for high-speed machinery, robotics, and precision equipment due to low friction and high rigidity. Hybrid ceramic variants excel in harsh environments (e.g., chemical plants, marine applications).
Used in hubs, bottom brackets, and headsets. Ceramic hybrids reduce rotational mass by 35%, enhancing acceleration and efficiency in road/MTB bikes.
Ceramic 6802 bearings reduce thermal expansion, enabling 20% faster machining with ±0.001mm precision.
6805 hybrid bearings withstand 15,000 RPM, extending motor life by 3x compared to steel variants.
Challenge. Frequent bearing failures in robotic arms (120°C, acidic coolant).
Solution. Deployed 6804 hybrid ceramic bearings.
Result. 18-month service life (vs. 6 months previously), 60% lower maintenance costs.
Challenge. Hub bearing replacements every 3,000 miles in gravel bikes.
Solution. Upgraded to 6800 ceramic bearings with sealed grease.
Result. 10,000+ mile lifespan, 22% improvement in power transfer.
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