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Slewing Bearings for Wind Power Equipment

CHG provides slewing bearing solutions for wind turbine pitch, yaw and related rotary systems requiring large diameter, high reliability, controlled clearance or preload and long service life under variable wind loads and outdoor environmental exposure.

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Application

Application Challenges

Variable Wind Loads

Wind direction and speed create changing axial, radial and moment loads.

Long Service Life

Wind turbines require reliable operation with limited maintenance access.

Large Diameter & Low Speed

Pitch and yaw systems operate at low speed with large mounting diameters.

Outdoor Environment

Moisture, dust, salt, temperature variation and UV exposure affect bearing systems.

False Brinelling & Oscillation

Small-angle oscillating motion can damage raceways and lubricant films.

Types

Recommended Slewing Bearing Structures

Selection

Selection Information

01

Information Customers Can Provide

Pitch, yaw or auxiliary system
Turbine size and rated power
Axial, radial and tilting moment load spectrum
Oscillation angle and rotation cycles
Required service life and reliability target
Gear type, module and backlash
Bolt-hole pattern and flange stiffness
Temperature, corrosion class, sealing and lubrication

02

CHG Assessable Content

Suitable slewing bearing structure
Static and dynamic load capacity
Raceway diameter, ring size and central opening
Gear type, module, accuracy and backlash
Mounting-hole and bolt-load requirements
Material, heat treatment and hardness
Sealing, lubrication and corrosion protection
Technical proposal, drawing review, quotation and delivery

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ADVANTAGES

Why Choose CHG

Four Main Structure Options

CHG provides four-point contact ball, double-row ball, three-row roller and crossed roller slewing bearing solutions.

Application & Load Review

Bearing structure can be reviewed according to axial load, radial load, tilting moment, dynamic factors, speed and duty cycle.

Custom Manufacturing

Custom support by drawing, dimensions, gear type, bolt-hole arrangement, sealing, lubrication and application requirements.

Quality & Inspection Support

Material certificates, heat treatment records, dimensional inspection, gear inspection and product photos can be provided according to order requirements.

Related

Related Applications

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    FAQ

    Slewing Bearings for Wind Power Equipment FAQs

    Please provide the equipment type, bearing number or mounting dimensions, axial load, radial load, tilting moment, speed, gear type, quantity and drawing if available.

    CHG provides four-point contact ball, double-row ball, three-row roller and crossed roller slewing bearing solutions.

    Yes. Internal gear, external gear or gearless structures, gear module, tooth number, bolt-hole pattern, seals and lubrication can be customized.

    Yes. Custom and replacement solutions can be reviewed according to 2D/3D drawings, bearing numbers, dimensions, gear data and application conditions.

    Material certificates, heat treatment records, dimensional inspection, raceway/gear inspection, product photos and packing photos can be provided according to order requirements.

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