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Help CenterStandard Compliant Slewing Bearing for Solar Tracker Application, 20-Year Design Life
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Henan San Kuang Machinery Technology Co., Ltd., established in 2014 in Luoyang, China, offers a Standard Compliant Slewing Bearing for Solar Tracker Application with a guaranteed 20-year design life. Our factory, spanning 10,000–30,000 square meters, is dedicated to producing high-precision slewing rings that meet the rigorous demands of photovoltaic (PV) tracking systems. With annual export values exceeding US$2.5 million and a team of 51–100 skilled professionals, we ensure that every bearing delivers reliable performance, minimal maintenance, and long-term cost efficiency for your solar farm.
This slewing bearing is engineered to withstand harsh environmental conditions, including high winds, temperature fluctuations, and UV exposure. Its robust design meets international standards certified by our ISO 9001, ISO 14000, and OHSAS 18001 management systems, ensuring consistent quality and environmental responsibility. Whether you need a single-axis or dual-axis tracker, our bearing can be customized to fit your specific mounting and torque requirements.
Below are the key technical specifications and features of our solar tracker slewing bearing:
| Parameter | Value/Range |
| Outer Diameter | 500 mm – 3000 mm (customizable) |
| Design Life | 20 years (L10h ≥ 175,000 hours) |
| Static Load Capacity | Up to 5,000 kN (depending on size) |
| Dynamic Load Capacity | Up to 2,500 kN |
| Tilt Angle | ±45° or as required |
| Rotation Speed | 0.5 – 5 rpm |
| Operating Temperature | -40°C to +80°C |
| Protection Class | IP65 (with optional seals) |
| Gear Module | Module 4 – 20 (internal/external) |
| Material | 42CrMo4 (quenched and tempered) |
Key Features & Benefits:
- 20-Year Design Life – Our bearing is engineered with high-quality alloy steel and precision heat treatment to ensure reliable operation for two decades, reducing replacement costs and downtime.
- Standard Compliant – Manufactured under ISO 9001, ISO 14000, and OHSAS 18001 certified processes, meeting global quality and safety standards.
- Customizable Geometry – Outer diameter, mounting holes, and gear teeth can be tailored to your tracker design, ensuring seamless integration.
- Low Maintenance – Pre-filled with high-temperature grease and sealed with dual-lip or labyrinth seals to prevent contamination and extend service intervals.
- High Load Capacity – The bearing supports both axial and radial loads, accommodating the heavy panels and wind forces typical in solar tracker systems.
- Corrosion Resistance – Optional zinc-nickel coating or special paint provides long-term protection against salt spray and humidity.
- Proven Performance – Our bearings are used in over 20 countries, with trackers operating in deserts, coastal areas, and high-altitude regions.
Our factory in Luoyang, Henan, has been a trusted supplier since 2014, exporting to North America, South America, Europe, Southeast Asia, Africa, and Oceania. With a dedicated engineering team and advanced CNC machining centers, we ensure each bearing is tested for dimensional accuracy, hardness, and noise. Our quality system includes 100% non-destructive testing (UT and MT) for critical components.
Trust & Credibility: Henan San Kuang Machinery Technology Co., Ltd. holds multiple certifications including ISO 9001, ISO 14000, OHSAS 18001, and others. We have shipped over 10,000 slewing bearings for solar tracker applications globally. Our annual export value of US$2.5–5 million and 51–100 skilled employees demonstrate our commitment to quality and customer satisfaction. We offer a standard warranty of 18 months, with extended options available. Choose our bearing for a reliable, long-lasting solution that maximizes your solar plant’s energy output.
Frequently Asked Questions (FAQ):
-
Q: What is the exact design life of this bearing?
A: The design life is 20 years under normal operating conditions, based on L10h calculations (≥175,000 hours). Actual lifespan may vary depending on load, speed, and maintenance. -
Q: Can this bearing be used for both single-axis and dual-axis trackers?
A: Yes, our bearing is suitable for both horizontal single-axis trackers and dual-axis trackers. We can customize the bearing's internal clearance and gear to match your specific tracker type. -
Q: What certifications does your company hold?
A: We are certified under ISO 9001, ISO 14000, OHSAS 18001, and other standards. Our quality management system ensures consistent product quality. -
Q: Do you provide technical drawings or CAD files?
A: Yes, we can provide 2D and 3D drawings upon request. Our engineering team will assist in selecting the optimal bearing size and configuration. -
Q: What is the lead time for a standard order?
A: Typical lead time is 30–45 days for standard sizes. Customized bearings may require 45–60 days. We can expedite for urgent projects. -
Q: How is the bearing packaged for export?
A: Each bearing is individually wrapped in anti-rust paper, secured in wooden crates, and exported via ports like Shanghai, Qingdao, or Tianjin. We ensure safe transport to global destinations. -
Q: Is the bearing maintenance-free?
A: The bearing is pre-lubricated and sealed, but we recommend periodic inspection and re-greasing every 2–3 years depending on environmental conditions. The 20-year design life assumes proper maintenance. -
Q: Can you provide samples for testing?
A: Yes, we offer sample orders for evaluation. Please contact our sales team to discuss requirements and lead time for samples.
Contact us today to discuss your project needs. Our team in Luoyang, China, is ready to provide a competitive quotation and technical support for your solar tracker application.
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