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Henan San Kuang Machinery Technology Co., Ltd. proudly presents our Corrosion Resistant Slewing Bearing – engineered from premium 316L Stainless Steel with a 1000mm outer diameter and IP55 protection. This bearing is purpose-built for demanding environments where corrosion, moisture, and particulate ingress are constant challenges. Whether you operate in marine, food processing, or chemical industries, our slewing bearing delivers reliable rotational performance and extended service life. As a manufacturer with a 10,000-30,000 square meter facility and annual export value of US$2.5M–US$5M, we ensure every bearing meets rigorous quality standards.
Our slewing bearing combines 316L stainless steel – known for its superior resistance to pitting and crevice corrosion in chloride environments – with a robust IP55-rated sealing system that protects against dust and water jets. The 1000mm outer diameter provides ample load distribution for medium to large rotating structures, such as cranes, solar trackers, and industrial turntables. Below are the key technical specifications:
| Parameter | Value |
| Outer Diameter | 1000 mm |
| Inner Diameter | 700 mm (typical for this series) |
| Overall Height | 80 mm |
| Static Load Rating | Up to 500 kN (customizable) |
| Dynamic Load Rating | Up to 300 kN (customizable) |
| Starting Torque | ≤ 20 N·m (with grease) |
| Protection Grade | IP55 |
| Material | 316L Stainless Steel |
Key Features & Benefits:
- Superior Corrosion Resistance: 316L stainless steel offers excellent resistance to chlorides, acids, and alkalis, making it ideal for offshore platforms, desalination plants, and food processing lines.
- IP55 Sealing: The double-lip seal with labyrinth design prevents ingress of dust and low-pressure water jets, ensuring reliable operation in wet or dusty environments.
- High Load Capacity: Single-row four-point contact ball bearing design handles combined axial, radial, and moment loads efficiently.
- Customizable Options: We offer custom bore sizes, gear teeth (internal/external), mounting holes, and special lubricants to match your application.
- Low Maintenance: Pre-lubricated with high-quality grease, with re-lubrication intervals extending up to 6 months under normal conditions.
- Precision Manufacturing: ISO 6–7 grade raceway precision ensures smooth rotation and minimal vibration.
This slewing bearing is widely used in marine cranes, fish processing equipment, chemical mixers, and solar tracking systems. Its robust construction reduces downtime and replacement costs, providing a clear return on investment for your operations.
Trusted Manufacturing Backed by Certifications
Our factory in Luoyang, Henan, China, spans over 10,000 square meters and employs 51–100 skilled workers. We have achieved multiple quality management certifications including ISO9001, ISO14000, OHSAS18001, and SA8000, reflecting our commitment to quality, environment, and social responsibility. With annual export value exceeding US$2.5 million, we serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We ship from major ports such as Shanghai, Qingdao, Tianjin, and Lianyungang, ensuring timely delivery worldwide.
We invite you to experience the reliability of our corrosion resistant slewing bearing. Contact our team for a quotation or technical consultation – we are ready to support your project with customized solutions and competitive pricing.
Frequently Asked Questions
-
Q: Can this bearing be used in direct seawater contact?
A: Yes, 316L stainless steel is highly resistant to seawater corrosion. However, for continuous immersion, we recommend additional protection such as a zinc anode or cathodic protection. Please consult our engineers for specific application advice. -
Q: What is the maximum operating temperature?
A: Standard grease lubrication allows operation from -20°C to +100°C. For higher temperatures, we can supply high-temperature grease or special seals. -
Q: Do you offer custom outer diameters?
A: Yes, we can manufacture slewing bearings with outer diameters ranging from 300 mm to 3000 mm. The 1000 mm model is a standard size, but custom dimensions are available upon request. -
Q: What is the expected service life?
A: Under typical load and speed conditions, the bearing can achieve 10,000–50,000 hours of operation. Actual life depends on load, speed, maintenance, and environmental factors. -
Q: Is the IP55 rating suitable for outdoor use?
A: Yes, IP55 is designed for outdoor use where the bearing is protected from dust and exposed to low-pressure water jets. For heavy rain or washdown, IP66 or higher may be required – we can provide options. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is 1 piece for standard models. For custom sizes, a minimum of 5–10 pieces may apply depending on complexity. -
Q: How long does delivery take?
A: For standard 1000mm OD bearings, delivery is 15–20 working days after order confirmation. Lead time for custom items is 25–35 working days.
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