Pitch Bearings

Information

LYC pitch bearings are flagship competitive products in the wind power industry, adopting the advanced three-row cylindrical roller structure that has achieved large-scale mass production and extensive mature application in global large and ultra-large wind turbine projects. Different from traditional ball bearings, the three-row cylindrical roller structure realizes independent bearing and reasonable distribution of axial force, radial force and overturning moment, greatly improving overall bearing rigidity, impact resistance and anti-fatigue performance. This structural design perfectly adapts to the frequent angle adjustment, continuous alternating load and instantaneous strong impact working characteristics of wind turbine blades, effectively solving common problems such as micro-wear and fatigue failure of pitch bearings under long-term variable working conditions. All products undergo strict material screening, precision heat treatment and surface strengthening treatment, with dimensional accuracy and performance indicators fully complying with LYC-led national wind power bearing standards. Applicable to all mainstream wind turbine models on land and offshore, the bearings maintain stable and precise blade angle control, effectively improve wind energy utilization and power generation efficiency, and meet the 25-year long-life design requirements of high-end wind power units.
Luoyang Bearing Group Co., Ltd.B-38Luoyang Bearing Group Co., Ltd. was founded in 1954, one of the 156 key national construction projects of China’s First‑Five‑Year Plan. As a large‑scale state‑owned enterprise with comprehensive R&D and manufacturing strength in China’s bearing industry, LYC is a principal drafter of national standards for wind power bearings in China. Equipped with a national‑level enterprise technology center and the only national key laboratory in China’s bearing sector, LYC owns full‑chain capabilities including design, simulation, testing, manufacturing and inspection. It has participated in formulating dozens of national and industrial standards, with multiple technical achievements filling domestic technological gaps. With over 20‑year experience in wind power business, LYC supplies full‑range wind turbine bearings: main shaft bearings, gearbox bearings, yaw & pitch slewing bearings. Product portfolio covers 1.5MW‑20MW and above on‑shore & offshore wind turbines, adaptable to doubly‑fed, semi‑direct‑drive and direct‑drive technical routes. Featuring high load capacity, impact resistance, long service life and high reliability, LYC provides customized bearing solutions and full‑lifecycle technical services for complex wind conditions in South America, including selection simulation, on‑site installation guidance and maintenance support. LYC manufactures more than 20,000 bearing types across nine major categories, ranging from 10 mm inner diameter to 13.5 m outer diameter. Its products are widely applied in wind power generation, rail transit, metallurgy & mining, construction machinery, aerospace and other high‑end equipment industries, certified by ISO9001, ISO14001, IATF16949 and other international standards. LYC products are exported to more than 70 countries and regions worldwide. With service presence in São Paulo, Brazil, LYC deeply serves Latin‑American wind‑power market, delivering reliable bearing products and localized technical support for customers in Brazil and South America, and contributing to the high‑quality development of regional clean‑energy industry.

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