What Is Slewing Bearing?
A slewing bearing, also known as a turntable bearing or a rotary bearing, is a pivotal component in heavy machinery and equipment. It is a rotational rolling-element bearing that typically supports a heavy but slow-turning or slow-oscillating load, often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis windmill.
Unlike other bearings that carry loads based on size and capacity, slewing bearings have more complex load transmission requirements, often combining radial, axial, and moment loads. Their design and manufacturing involve high precision processes to ensure they can withstand these demands while providing smooth rotation.
What Are The Key Factors To Consider When Selecting A Slewing Bearing For A Specific Application?
When it comes to selecting a slewing bearing for a specific application, several key factors come into play. This decision is paramount as the right bearing ensures efficient operation, longevity, and safety of the machinery.
- Load Requirements: Understand the magnitude and direction of loads the bearing will face. It’s crucial to choose a bearing capable of handling radial, axial, and moment loads effectively.
- Operational Speed: While slewing bearings are typically designed for slow movements, specific speed requirements of your machine are important to consider.
- Environmental Conditions: The bearing’s operational environment also plays a significant role. It should withstand varying temperatures, exposure to water or corrosive substances, and potential contaminants without its performance being compromised.
When consulting with bearing specialists, it’s essential to consider all these aspects for a well-informed selection process.
List: Top 20 Slewing Bearing Manufacturers In World (Updated 2024 )
Slewing bearings are a pivotal element in many industrial applications, offering rotational movement between two structures. As of 2024, numerous slewing bearing manufacturers have made their mark globally, each providing unique offerings in terms of design, customization, and application.
This article presents an updated list of the top 20 slewing bearing manufacturers worldwide, including renowned names such as Rotek, SKF, Kaydon, and more. Stay tuned to explore their contributions and innovations in this technical field.
1. Xuzhou Wanda – China
Founded in 2011 and based in China, Xuzhou Wanda Slewing Bearing Co., Ltd. specializes in the design and manufacture of slewing bearings and slewing drives. With a strong emphasis on quality and innovation, the company serves various industries, including construction machinery, renewable energy, and medical technology.
Key products include Single Row Ball Slewing Bearings, Double Row Ball Slewing Bearings, and Slewing Drives, highlighting the company’s commitment to supporting a wide range of application needs. For more detailed information about their products, visit their product page.
Sources: Xuzhou Wanda Slewing Bearing Co.,Ltd. – Company Profile.
2. Kaydon. – United States
Founded in 2011 and based in China, Xuzhou Wanda Slewing Bearing Co., Ltd. specializes in the design and manufacture of slewing bearings and slewing drives. With a strong emphasis on quality and innovation, the company serves various industries, including construction machinery, renewable energy, and medical technology.
Key products include Single Row Ball Slewing Bearings, Double Row Ball Slewing Bearings, and Slewing Drives, highlighting the company’s commitment to supporting a wide range of application needs. For more detailed information about their products, visit their product page.
Sources: Xuzhou Wanda Slewing Bearing Co.,Ltd. – Company Profile.
3. Triangle Manufacturing Company. – United States
Founded in 1922 in the United States, Triangle Manufacturing Company specializes in producing slewing bearings, spherical rod ends, and linkages. Their emphasis on innovation ensures high-quality and durable solutions for a variety of applications.
Major products include Spherical Rod Ends, Linkages, and Custom Bearings, showcasing the company’s adaptability and commitment to meeting diverse industry needs. For more comprehensive product details, visit their product overview page.
For more information about their products, visit their product page.
4. Igus, Inc. – United States
Founded in 1964 in the United States, igus, Inc. has established itself as a frontrunner in the manufacture of innovative polymer bearings and cable management systems. The organization prides itself on developing products that offer excellent performance in demanding environments.
Major products include DryLin® Linear Bearings and Slides, Energy Chains, and xiros® Ball Bearings, underscoring igus’s dedication to providing technologically advanced solutions. For an in-depth exploration of their offerings, refer to their product catalog.
For more information about their products, visit their product page.
Sources: igus, Inc. – Company Profile
5. Potesta & Company, LLC – United States
Established in 1985 in the United States, Potesta & Company, LLC is noted for its specialization in the design and manufacture of slewing bearings. Their competitive edge lies in their capability to deliver tailor-made solutions that precisely meet client specifications and application requirements.
Major products include Precision Slewing Rings, Custom Gear Solutions, and Pinion Gears, evidencing Potesta & Company’s proficiency in producing versatile and reliable products.
For further information about their extensive range of offerings, one can view their detailed product listings on their product page.
6. TPA Motion, LLC – United States
Founded in 1990 in the United States, TPA Motion, LLC specializes in the development and manufacturing of slewing bearings and motion control systems. Their innovation and precision engineering cater to bespoke requirements, highlighting their dedication to quality and performance.
Major products include Slewing Rings, Linear Actuators, and Guide Wheels, reinforcing TPA Motion’s commitment to providing cutting-edge solutions in motion control. For a comprehensive overview of their product range, visiting their product catalog is recommended.
Sources: TPA Motion, LLC – Company Profile
7. Emerson Bearing Company – United States
Founded in 1990 in the United States, TPA Motion, LLC specializes in the development and manufacturing of slewing bearings and motion control systems. Their innovation and precision engineering cater to bespoke requirements, highlighting their dedication to quality and performance.
Major products include Slewing Rings, Linear Actuators, and Guide Wheels, reinforcing TPA Motion’s commitment to providing cutting-edge solutions in motion control. For a comprehensive overview of their product range, visiting their product catalog is recommended.
8. SKF Inc – Sweden
Established in 1907 in Sweden, SKF Inc excels in the engineering and manufacturing of slewing bearings among other precision-engineered products. Their expertise in producing High-Performance Slewing Rings, Ball and Roller Bearings, and Sealing Solutions stands out.
Major products include High-Performance Slewing Rings, Ball and Roller Bearings, and Sealing Solutions, showcasing SKF Inc’s dedication to innovation and quality in the industrial sector. Further insight into their diverse product portfolio can be obtained by visiting their detailed product listings.
Sources: SKF Inc – Company Profile
9. Scheerer Bearing Corporation – United States
Founded in 1963 in the United States, Scheerer Bearing Corporation excels in the manufacture of slewing bearings and precision-engineered solutions for industrial applications. Their focus on Custom Bearings and Radial Ball Bearings reflects their commitment to performance and quality.
Major products include Custom Bearings, Radial Ball Bearings, and Spherical Roller Bearings, demonstrating Scheerer Bearing Corporation’s dedication to offering innovative and reliable solutions in the bearing industry. For an in-depth look at their extensive product offerings, their product catalog provides detailed information.
10. ThyssenKrupp – Germany
Established in 1811 in Germany, ThyssenKrupp has evolved into a global forefront in the manufacturing of slewing bearings and related components for a wide range of industrial applications. Their product innovation aligns with rigorous quality standards.
Major products include Single-row Ball Bearing Slewing Rings, Cross Roller Slewing Rings, and Three-row Roller Slewing Rings, showcasing ThyssenKrupp’s commitment to reliability and performance in complex industrial environments. For a detailed exploration of their extensive product catalog, visit their product listings.
Sources: ThyssenKrupp – Company Profile
11. The Timken – United States
Founded in 1899 in the United States, The Timken Company has established itself as a leader in the engineering and production of bearings and mechanical power transmission products.
Key offerings include Tapered Roller Bearings, Spherical Roller Bearings, and Precision Bearings, underscoring Timken’s focus on precision and durability in bearing technology. Explore their comprehensive range by visiting their product portfolio.
Sources: The Timken Company – Company Profile
12. IMO Group – Germany
Founded in 1988 in Germany, IMO Group specializes in the design and manufacture of high-quality slewing bearings and slew drives. Their commitment to innovation and quality has positioned them as a key player in the global market.
Major products include Single-row Ball Bearing Slewing Rings, Triple-row Roller Slewing Rings, and Slew Drives, illustrating IMO Group’s expertise in delivering solutions for demanding applications across various industries. For further details, visit their product offerings.
Sources: IMO Group – Company Profile
13. Liebherr – Switzerland
Founded in 1949 in Switzerland, Liebherr excels in the fields of engineering and manufacturing, particularly noted for their high-quality slewing bearings. Their pioneering spirit and engineering expertise underscore their eminent position in the industry. For an in-depth exploration, visit their company introduction.
Principal products include Ball Slewing Bearings, Roller Slewing Bearings, Combined roller and ball bearing, spotlighting Liebherr’s capacity to fulfill the complex needs of a global clientele. Explore their comprehensive slewing bearing product range.
Sources: Liebherr – Company Profile
14. Schaeffler Group USA Inc. – United States
Founded in 1946 in the United States, Schaeffler Group USA Inc. is a forefront innovator in engineering and producing high-precision slewing bearings. Their proficiency in delivering state-of-the-art solutions is evident across various sectors. Detailed information can be found on their company profile.
Their principal products embody engineering excellence, including FAG Slew Rings, INA Slewing Rings, and LuK Integrated Gearboxes, which serve as critical components across a multitude of industrial applications. Discover their significant slew bearing offerings.
15. Cone Drive – United States
Founded in 1925 in the United States, Cone Drive has evolved into a prominent leader in precision motion control technology, excelling in the design and manufacture of slewing bearings. For further details, visit their company profile.
Their expertise is demonstrated through their advanced product lineup, including Precision Motion Control Solutions, Slew Drives, and Harmonic Solutions, which are integral to a wide range of industrial applications. Explore their comprehensive slewing bearing solutions.
Sources: Cone Drive – Company Profile
16. NTN-SNR – France
Founded in 1916 in France, NTN-SNR has established itself as a key player in the bearing industry.
Specializing in innovative bearing solutions, their product line includes Tapered Roller Bearings, Ball Bearings, and Cylindrical Roller Bearings, all pivotal in enabling high-precision movement and efficiency across various sectors. More about their offerings can be found on their home page.
Sources: NTN-SNR – Company Profile
17. Antex Corporation – Japan
Founded in 1953 in Japan, Antex Corporation has become a notable figure in the field of precision engineering, primarily specializing in the production of slewing bearings.
Their technical prowess is showcased through their main product offerings, including Solar Tracker Slewing Bearings, Wind Turbine Slewing Bearings, and Robotic Arm Slewing Bearings, which play a crucial role in various industrial mechanisms. Access their tailored slewing bearing solutions catalog for comprehensive product details.
For an in-depth look into their history and capabilities, refer to their company profile.
18. NSK – Japan
Founded in 1916 in Japan, NSK is a prominent figure in the bearing industry, celebrated for its innovative contributions. For a deeper understanding of their history and capabilities, visit their company profile.
They have mastered the art of creating high-performance products, including Deep Groove Ball Bearings, Tapered Roller Bearings, and Precision Angular Contact Ball Bearings, each serving crucial roles in a broad spectrum of industrial applications. Explore their groundbreaking bearing solutions.
Sources: NSK – Company Profile
19. Koyo Bearing – Japan
Founded in 1921 in Japan, Koyo Bearings is renowned for its precision and innovation in the global bearings market. For comprehensive insights about their history and specialties, access their company profile.
They excel in manufacturing Deep Groove Ball Bearings, Tapered Roller Bearings, and Angular Contact Ball Bearings, integral for industries requiring high-accuracy rotational motion. Explore their leading-edge bearing solutions.
Sources: Koyo Bearings – Company Profile
20. Nippon Bearing – Japan
Founded in 1939 in Japan, Nippon Bearing stands out as a pioneer in the field of precision machinery components. Learn more at their company profile.
Their innovation is reflected in their main products: Slide Guides, Ball Splines, Bearings, and Rotary Ball Splines, essential for advanced industrial automation. Explore their product offerings.
Sources: Nippon Bearing – Company Profile
These companies hold strong market positions and leadership roles in the slewing bearing industry. Through continuous innovation, high-quality products, and outstanding customer service, they provide crucial support and solutions to various industries worldwide. Their products find extensive applications in construction, excavators, aerospace, wind energy, automotive, and other sectors. With the continuous evolution of technology and markets, these top manufacturers will continue to lead the development and innovation in the slewing bearing industry.
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