Designed and developed especially for large wind turbine generators, SKF XL hybrid deep groove ball bearings insulate against electric currents. These bearings feature a unique design and have rings of bearing steel and balls of bearing grade silicon nitride (Si3N4) with high hardness and low density.
In addition to superior electrically insulating capabilities, the SKF XL hybrid deep groove ball bearing design maximizes the effects of the lubricant, enabling long-term performance even under poor lubrication conditions.
Consequently life cycle costs and total cost of operation is reduced by minimizing downtime and the maintenance cost for repair.
This solution with low need for maintenance provides high reliability and excellent performance, improving output and profitability of your large wind turbines.
The increase in reliability that occurs can also give the industry grounds on which to compete and survive without political subsidies.
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Benefits
- High reliability and increased sustainability
- Reduced life cycle cost and total cost of operation
- Virtually eliminating the risk of premature bearing failures due to electric erosion
- Maximized effect of the lubricant
- Reliable operation even under poor lubrication conditions
- Standard bearing boundary dimensions
- Easy upgrade of already installed turbines
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Typical applications
Large wind turbine generators
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