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Help CenterSlewing Bearing 1 Year Warranty Mill Test Report Conforms to ISO 9001 Standard
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Reliable Slewing Bearing with 1-Year Warranty and Full Mill Test Report – Made by Henan San Kuang Machinery Technology Co., Ltd.
As a professional manufacturer with a 10,000–30,000 sqm factory located in Luoyang, Henan, China, we produce high-quality slewing bearings that strictly conform to ISO 9001 standards. Each bearing is supplied with a comprehensive Mill Test Report, ensuring traceability and material integrity. With a 1-year warranty and robust after-sales support, our slewing bearings are designed for heavy-duty applications in construction, wind energy, port machinery, and more. Our team of 51–100 skilled employees and annual export value of US$2.5–5 million reflect our commitment to global quality and delivery reliability.
Product Features & Technical Advantages
- High Load Capacity: Designed to handle axial, radial, and moment loads simultaneously, suitable for cranes, excavators, and wind turbines.
- Precision Machining: Raceways are induction hardened and precision ground to ensure smooth rotation and long service life.
- Durable Sealing System: Standard double lip seal protects against dust and moisture; optional labyrinth seals available for harsh environments.
- Gear Options: Internal or external gear teeth can be customized according to your drive system requirements.
- Material Integrity: Made from high-quality alloy steel (42CrMo or equivalent), with 100% ultrasonic testing upon request.
- Mill Test Report Included: Every bearing comes with a detailed report covering chemical composition, mechanical properties, and hardness test results.
- 1-Year Warranty: Covers manufacturing defects; we provide prompt technical support and replacement parts.
Technical Specifications (Typical Range)
| Parameter | Value |
|---|---|
| Outer Diameter | 200 mm – 5000 mm (custom) |
| Inner Diameter | 100 mm – 4500 mm (custom) |
| Height | 50 mm – 500 mm (custom) |
| Dynamic Load Rating (Axial) | Up to 5000 kN (depending on size) |
| Static Load Rating (Axial) | Up to 8000 kN |
| Max Rotation Speed | 10 rpm (typical for large size) |
| Operating Temperature | -20°C to +80°C (optional high-temp version) |
| Lubrication | Grease (standard) / Oil bath available |
Quality Assurance & Customer Benefits
- ISO 9001 Certified Production: Our factory is audited to meet international quality management standards, ensuring consistent product quality.
- Mill Test Report for Every Bearing: Provides full material traceability, essential for critical applications in construction, mining, and renewable energy.
- 1-Year Warranty: Gives you peace of mind; we stand behind our products and offer fast response for any issues.
- Flexible Customization: We can modify dimensions, materials, sealing, and gear configuration to match your specific equipment.
- Global Shipping: We ship from multiple ports (Shanghai, Lianyungang, Qingdao, Tianjin) to North America, South America, Europe, Southeast Asia, Africa, and more.
Why Choose Henan San Kuang Machinery Technology Co., Ltd.?
Established in 2022, our company has rapidly grown to serve customers in over 15 global markets. With a factory area of 10,000–30,000 square meters and an annual export value of US$2.5–5 million, we have the capacity and expertise to deliver slewing bearings that meet rigorous international standards. Our workforce of 51–100 experienced technicians and engineers ensures every step—from raw material inspection to final assembly—is meticulously controlled. We hold multiple certifications including HACCP, TL900, QS9000, SA8000, ISO9001, ISO9004, ISO17799, ISO9000, ISO14000, ISO10441, ISO16949, TS16969, ISO19011:2000, OHSAS18001, and others, demonstrating our commitment to quality, safety, and environmental responsibility. By choosing our slewing bearing, you benefit from a reliable product backed by transparent documentation and responsive customer service. Contact us today to discuss your requirements or request a quote.
Frequently Asked Questions
-
What is the standard warranty period for your slewing bearing?
We offer a 1-year warranty covering manufacturing defects. Extended warranties are available upon request. -
Do you provide a Mill Test Report?
Yes, each bearing is supplied with a Mill Test Report that includes chemical composition, mechanical properties, and hardness test results. -
Can you customize the gear teeth (internal/external)?
Absolutely. We can produce slewing bearings with internal or external gear teeth according to your specifications. -
What is the typical lead time for a custom-sized slewing bearing?
Lead time depends on size and complexity, generally 30–60 days for standard custom orders. Please contact us for specific timelines. -
Which industries do you serve?
Our slewing bearings are widely used in construction machinery, wind turbines, port equipment, mining, and marine applications. -
What quality certifications does your factory hold?
We are certified to ISO 9001 and many other standards. A full list is available on request. -
Do you offer samples for testing?
Yes, we can provide small samples (with freight collect) for evaluation. Please discuss with our sales team. -
How do you ensure the bearing's sealing performance?
We use high-quality double lip seals as standard, and can upgrade to labyrinth or Viton seals for harsh environments.
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