Bearing QJ 209 MA SKF



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Product detailed description
Bearing QJ 209 MA SKF: High-Performance Angular Contact Bearing
The bearing QJ 209 MA SKF is a premium angular contact ball bearing designed for applications requiring high load capacity and excellent operational reliability. Manufactured by SKF, a global leader in bearing technology, this bearing offers superior performance in both radial and axial load handling, making it ideal for use in heavy machinery, industrial equipment, and automotive applications.
This bearing features a robust design with a machined brass cage (denoted by the "MA" suffix), which ensures enhanced durability and reduced friction during operation. The QJ 209 MA SKF is engineered to provide smooth rotation and high precision, contributing to extended service life and reduced maintenance costs.
Key Features and Benefits
- Angular Contact Design: Supports combined radial and axial loads, improving machine efficiency and stability.
- Machined Brass Cage (MA): Offers increased strength and wear resistance compared to standard cages, suitable for demanding operating conditions.
- High-Quality Materials: Manufactured with SKF’s premium steel, ensuring resistance to wear, corrosion, and fatigue.
- Precision Engineering: Delivers consistent performance with low noise and vibration levels.
- Versatile Application: Suitable for electric motors, pumps, gearboxes, and other industrial machinery.
Dimensions of Bearing QJ 209 MA SKF
- Inner Diameter (d): 45 mm
- Outer Diameter (D): 85 mm
- Width (B): 19 mm
Choosing the bearing QJ 209 MA SKF ensures reliability and precision in your mechanical systems. Its robust construction and SKF’s trusted manufacturing standards make it a preferred choice for engineers and maintenance professionals aiming for optimal machine performance.

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SKF: Leading Manufacturer of Bearings and Transmission Technology
Company Overview
SKF is a globally recognized manufacturer specializing in high-quality bearings and transmission technology. Founded in 1907 in Gothenburg, Sweden, SKF has established itself as a pioneer in the development of innovative solutions for rotating equipment and industrial applications. With over a century of expertise, SKF continuously drives advancements in reliability, efficiency, and sustainability in its product offerings.
History and Heritage
SKF was founded by Sven Wingquist, who invented the self-aligning ball bearing, revolutionizing the bearing industry. The company quickly expanded from its Swedish roots to become a global leader in bearing technology and related services. SKF’s long-standing tradition of innovation is reflected in its commitment to research and development, ensuring cutting-edge products that meet evolving industrial needs.
Product Range
SKF offers an extensive selection of products designed to optimize machine performance and lifespan. Their product portfolio includes:
- Ball Bearings: Standard, high-precision, and special designs for various applications.
- Roller Bearings: Cylindrical, spherical, and tapered roller bearings engineered for heavy-load conditions.
- Bearing Units and Housings: Solutions designed for easy installation and enhanced reliability.
- Seals and Lubrication Systems: Critical components that protect and extend the operational life of bearings.
- Transmission Components: Including belts, couplings, clutches, and gearboxes.
- Condition Monitoring and Maintenance Services: Tools and technologies such as SKF @ptitude and SKF Enlight for predictive maintenance.
Main Focus and Technological Innovations
SKF’s main focus is delivering high-performance, durable, and energy-efficient solutions that reduce downtime and operational costs for customers worldwide. The company integrates digital technology with traditional mechanical engineering to support Industry 4.0 initiatives. SKF’s innovations include smart bearings equipped with sensors for real-time condition monitoring, advanced lubrication technologies, and bespoke solutions tailored to specific industry challenges.
Application Areas
SKF’s products and services are critical components across a broad spectrum of industries, including:
- Automotive and Transportation
- Aerospace and Defense
- Industrial Manufacturing and Machinery
- Energy Production (Wind, Hydro, and Thermal)
- Mining and Construction Equipment
- Food and Beverage Processing
- Railway and Marine Applications
Company Headquarters
The global headquarters of SKF is located in Gothenburg, Sweden. From this central location, SKF operates through a vast network of manufacturing facilities, sales offices, and technical centers worldwide, serving customers in more than 130 countries.
Conclusion
With its rich heritage, comprehensive product range, and commitment to innovation, SKF remains a trusted partner for industries seeking reliable and advanced bearing and transmission technology solutions to improve performance and sustainability.