girth gear supplier
2. Our Advantages: With advanced manufacturing equipment, a professional R&D team, and a strict quality control system, we offer a comprehensive service process from design and manufacturing to installation guidance tailored to customer needs.
3. Size Range: 300mm-10,000mm.
4. Customization Supported: Whether you have specific size, tooth shape, or structural requirements, our engineering team can provide professional custom solutions.
5. Materials: 45#, 55#, 40Cr, ZG35CrMo, ZG42Cr1Mo, etc., materials can be customized upon request.
6. Applications:
Ball mills, rotary kilns, crushers, large rolling mills, shield machines, large excavators, crawler cranes, stackers and reclaimers, large mixing equipment, rotary dryers, and presses.
Professional Girth Gear Supplier - High-Quality Large Ring Gears for Heavy Industry
Searching for a trustworthy provider of Girth Gear Supplier with a track record of success in heavy industrial applications? With more than 20 years of specialized experience, Luoyang Heng Guan Bearing Technology Co., Ltd. manufactures large ring gears for a variety of global industries. We are aware that your activities require precisely engineered parts that function reliably even under the most adverse circumstances. Our extensive production capabilities and exacting quality standards guarantee that you will always receive girth gears that precisely match your requirements.
What Makes Our Girth Gears Stand Out
Precision Engineering You Can Trust
girth gear that can survive the most demanding industrial settings are the specialty of our technical team. Strict quality control procedures are applied to every component to guarantee peak performance. We provide girth gears that fit everything from small devices to large industrial machinery, with diameters ranging from 300mm to 10,000mm.
Premium Materials for Maximum Durability
We carefully choose materials according to the needs of your particular application. We provide 45#, 55#, 40Cr, ZG35CrMo, and ZG42Cr1Mo steels as standard. These materials offer superior structural integrity and resistance to wear. To satisfy special operational requirements, custom material specifications can be obtained upon request.
Advanced Manufacturing Capabilities
Large CNC machining machines and expert heat treatment manufacturing lines are housed in our state-of-the-art facilities. This combination guarantees ideal material qualities and exact dimensional precision. Every product is validated by comprehensive testing equipment prior to shipment, providing you with assurance regarding component reliability.
![]() |
![]() |
Industries We Serve
Cement Industry Applications
Crucial machinery in cement manufacturing facilities is powered by our girth gears. Our precisely made parts are essential to dryers, coolers, ball mills, vertical mills, and rotary kilns. Because of their extreme climatic conditions and extensive operation cycles, these applications require high durability.
Mining and Metallurgy Solutions
Our girth gears are trusted by mining enterprises all over the world for sintering equipment, rotary kilns, ball mills, and crushers. Because mineral processing is so demanding, components must continue to function even when subjected to high loads and abrasive substances.
Power Generation Equipment
Our specialist yaw and pitch system components are useful for wind power systems. Our Girth Gear Supplier are also used in coal mill applications in power plants to produce dependable energy. Components for these vital applications must be incredibly precise and long-lasting.
Construction and Heavy Machinery
Because of their dependability, shield machines, cranes, and port machinery operators select our girth gears. Shock loads, vibration, and fluctuating operating conditions are some of the particular difficulties these mobile applications provide.

Comprehensive Customization Services
Tailored Design Solutions
To create unique solutions, our skilled R&D team collaborates directly with your engineers. We offer expert technical assistance at every stage of the design process, regardless of your requirements for particular tooth profiles, unusual mounting arrangements, or certain material qualities.
One-Stop Manufacturing Process
We manage every step of the production process internally, from the first design to the last assembly. This covers heat treatment, precision machining, forging, casting, and final inspection. Faster delivery times and consistent quality are guaranteed by our integrated approach.
Quality Assurance System
ISO9001 certification demonstrates our commitment to quality excellence. Raw material traceability systems and comprehensive process controls guarantee product consistency. Pre-production samples and final inspections provide additional quality verification.

Global Service Excellence
Our international presence spans over 50 countries, including the USA, Germany, UK, Italy, Turkey, Russia, and Australia. This global reach demonstrates our ability to serve diverse markets while maintaining consistent quality standards.
A team of 30 experienced international sales representatives provides multilingual support in English and Chinese. We prioritize rapid response to customer inquiries and comprehensive technical assistance throughout your project lifecycle.
![]() |
![]() |
Why Choose Us as Your Trusted Partner
As an experienced product, we combine advanced manufacturing technology with decades of industry expertise. Our commitment to integrity, efficiency, and win-win cooperation has built lasting relationships with customers worldwide.
Ready to discuss your girth gear requirements? Our technical team is prepared to evaluate your specifications and recommend optimal solutions. Contact us at mia@hgb-bearing.com to start your custom girth gear project today.
![]() |
![]() |
Trust Luoyang Heng Guan Bearing Technology as your reliable girth gear supplier for precision, quality, and professional service that drives your operations forward.




















