WindForce Limited is a leading Sri Lankan renewable-energy developer specializing in 2–3MW onshore wind turbine yaw and pitch systems, operating inland and coastal wind farms nationwide.
Original imported standard bearings corroded and developed raceway pitting within 2 years in -30℃~45℃ conditions; 50-day import lead times and high prices could not match WindForce's large-scale wind-farm expansion.
Supply customized anti-corrosion self-aligning bearings reaching a minimum 5-year service life, compensating nacelle vibration misalignment, and replacing expensive long-lead imported parts to support cost-effective wind-farm expansion.
-30℃~45℃ swings with constant rain, dust and coastal salt fog rapidly corroded ordinary bearings.
Bearings stayed static for long periods, triggering raceway pitting and localized rust.
Every replacement demanded aerial work, so service life had to reach at least 5 years.
Nacelle vibration during operation required excellent self-aligning capacity.
Full-bearing-body multi-element coating passed a 500-hour salt spray test against rain, dust and salt fog.
Double-layer low-temp rubber seals with universal long-life grease that never solidifies at -35℃.
Enhanced self-aligning performance compensates coaxial deviation from nacelle shaking.
Higher static load capacity plus parallel inland & coastal field verification with third-party reports.
Custom 1218K anti-corrosion bearings ran 2 continuous years across inland and coastal wind farms with zero rust or seizure; estimated total life exceeds 6 years, surpassing the 5-year requirement, and WindForce switched all turbine yaw assemblies to domestic EGEN bearings, drastically cutting complete-machine manufacturing cost.
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