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  • Wind turbine yaw bearing

China Slew Bearing, China Slewing Bearing Manufacturers & Suppliers

    1. Triple Row Roller Slewing Bearing
    2. Triple Row Roller Slewing Bearing
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    2. 011 External Gear Slewing Bearing
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    2. W Series Slew Drive
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    2. Hot Sell Heavy Type WEA Series Slewing Drive
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    2. Double Row Same Diameter Ball Slewing Bearing
    1. Single Row Four Point Contact Ball Slewing Support For Industrial Robots
    2. Single Row Four Point Contact Ball Slewing Support For Industrial Robots
    1. Single Row Four Point Contact Ball Slewing Support For Wind Turbines
    2. Single Row Four Point Contact Ball Slewing Support For Wind Turbines
    1. WEA Slewing Drive For Ship Cranes
    2. WEA Slewing Drive For Ship Cranes
    1. Double Ball Shaped Slewing Bearing For Ship Ports
    2. Double Ball Shaped Slewing Bearing For Ship Ports
Wind turbine yaw bearing

Wind Turbine Yaw Bearing Manufacturer

Introduction

As a professional slewing bearing manufacturer, we specialize in engineering high-performance wind turbine yaw bearings, the critical "rudder" of modern wind energy systems. Positioned between the tower and nacelle, our yaw bearings ensure precise wind alignment, maximize energy capture, and protect turbines from structural stress caused by misalignment. With over 20 years of expertise in heavy-duty bearing solutions, we deliver products that meet the rigorous demands of both onshore and offshore wind farms, supporting power ratings from 1.5MW to 25MW.

Product Performance and Quality

Our yaw bearings are designed to withstand extreme operational challenges, combining durability with precision engineering to ensure long-term reliability in harsh environments.
  • High Load Capacity: Built to handle complex forces including axial loads, radial loads, and overturning moments, our bearings support nacelle weights and dynamic wind forces without deformation.
  • Precision Alignment: Featuring precision-machined gear rings and advanced manufacturing processes, our bearings achieve minimal yaw angle error, ensuring turbines capture maximum wind energy.
  • Extended Lifespan: Constructed from high-strength alloy steel with surface hardening and optimized sealing, our bearings offer fatigue resistance and a design life exceeding 20 years, matching the full lifecycle of wind turbines.
  • Environmental Adaptability: Equipped with specialized anti-corrosion coatings and multi-level sealing systems, our bearings resist salt spray, dust, and moisture, operating reliably in temperatures from -40°C to +95°C.
  • Low Friction Efficiency: Precision-matched raceways and rolling elements reduce friction coefficients, minimizing energy loss during yaw operations and improving overall turbine efficiency.

Technical Specifications

Our yaw bearings are available in two primary configurations, tailored to the unique load requirements of different turbine designs:
Specification Double Row Four-Point Contact Ball Bearing Three-Row Cylindrical Roller Bearing
Load Type Combined axial, radial, and moment loads High axial and moment loads
Material High-purity vacuum-degassed steel (e.g., 20Cr2Ni4A) High-strength alloy steel with gradient hardening
Hardness Surface: 60-62 HRC; Core: 35-40 HRC Surface: 60-62 HRC; Core: 35-40 HRC
Sealing IP6K9K-rated labyrinth + lip seal IP6K9K-rated labyrinth + lip seal
Lubrication Self-lubricating system with synthetic grease Self-lubricating system with synthetic grease
Temperature Range -40°C to +95°C -40°C to +95°C
Design Life ≥20 years ≥20 years

Certification Standards

Our manufacturing processes and products comply with international quality and safety standards:
  • ISO 9001: Quality management system certification.
  • ISO 14001: Environmental management system certification.
  • GL (Germanischer Lloyd): Type certification for wind turbine components.
  • CE Marking: Compliance with European safety and performance regulations.
  • Custom Testing: Bearings undergo rigorous testing for seal performance,ultimate load, and fatigue life, meeting or exceeding industry benchmarks.

Product Services

We provide end-to-end support to ensure seamless integration and long-term performance:
  • Custom Design: Tailored solutions to match specific turbine dimensions, load requirements, and environmental conditions.
  • Technical Consultation: Expert guidance on bearing selection, installation, and maintenance to optimize turbine performance.
  • After-Sales Support: 24/7 technical assistance, spare parts supply, and on-site troubleshooting for global clients.
  • Warranty: Comprehensive warranty coverage with guaranteed replacement for manufacturing defects.

Product Applications

Our yaw bearings are widely used in:
  • Onshore Wind Farms: Designed for variable wind conditions and extreme temperatures, ensuring stable operation in desert, mountain, and plain environments.
  • Offshore Wind Farms: Resistant to saltwater corrosion and high humidity, supporting large-scale turbines in marine settings.
  • High-Power Turbines: Compatible with 10MW+ turbines, including those with independent pitch control systems for enhanced efficiency.

Frequently Asked Questions

  1. What is the typical lead time for custom yaw bearings?
    Standard designs can be delivered within 8-12 weeks, while custom solutions may take 12-16 weeks depending on complexity.
  2. Can your bearings be used in offshore environments?
    Yes, our bearings feature specialized anti-corrosion coatings and sealing systems, making them suitable for harsh offshore conditions with salt spray resistance exceeding 2000 hours.
  3. Do you offer smart monitoring features?
    Yes, we can integrate vibration and temperature sensors into bearings for real-time condition monitoring and predictive maintenance, reducing downtime by up to 30%.
  4. What lubrication is recommended for your yaw bearings?
    We use high-performance synthetic grease (e.g., polyurea-based) with a self-lubricating system, ensuring maintenance-free operation for over 5 years.
  5. How do you ensure bearing quality during production?
    Our manufacturing process includes precision machining, controlled heat treatment, and 100% inspection of critical dimensions and material properties, with traceability for all components.

Wind turbine yaw bearing

Indexing table bearing

Wind turbine pitch bearing

  • Slewing Bearing
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  • Slewing Drive
      HSE Series Slew Drive Dual-Worm Slewing Drive SE/PE Series Slew Drive SEA/PEA Series Slew Drive SDE/PDE Series Slew Drive VE/PE Series Slew Drive W Series Slew Drive WE Series Slew Drive WEA Series Slew Drive
Contact Us
NO.18 Guanjifu road, Songjiang Industrial Zone, Shanghai, China
bearingsalefactory@gmail.com
Helen
+86-13062870081
+86-21-51061761
    Products
  • Single Row Four-Point Contact Ball Slewing Bearing
  • Double Row Same Diameter Ball Slewing Bearing
  • Triple Row Roller Slewing Bearing
  • Crossed Roller Slewing Bearing
  • HSE Series Slew Drive
  • Dual-Worm Slewing Drive
  • SE/PE Series Slew Drive
  • SEA/PEA Series Slew Drive
  • SDE/PDE Series Slew Drive
  • VE/PE Series Slew Drive
  • W Series Slew Drive
  • WE Series Slew Drive
    About Us
  • About us
  • Service
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    News
  • ZZ Bearings Establishes Strategic Partnership with a Leading Domestic Aerial Work Platform Manufacturer
  • ZZ Bearings Ships Slewing Bearings to a Major Port Machinery Manufacturer in Southeast Asia
  • Application of a New Gear Surface Hardening Process by ZZ Bearings
  • ZZ Bearings Launches High-Temperature-Resistant Special Slewing Bearings
  • ZZ Worm Gear Slewing Drive: Load-Holding Capacity Increased by 30%
China Slew Bearing Manufacturer | Custom Slewing Bearing | China Slewing Bearing Manufacturing | Tag | bearingsalefactory@gmail.com