Bearing QJ 308 MA SKF



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Product detailed description
Bearing QJ 308 MA SKF
The QJ 308 MA SKF is a high-quality spherical roller bearing designed to provide excellent performance and reliability in demanding industrial applications. Manufactured by SKF, a leading global brand known for precision and durability, this bearing is engineered to withstand heavy radial and axial loads, ensuring smooth operation and extended service life.
This bearing features a robust design with two rows of spherical rollers and an integrated machined brass cage, which enhances stability and reduces friction. The "MA" designation indicates the presence of an integral brass cage, contributing to improved load distribution and resistance to wear under high-speed conditions.
QJ 308 MA SKF bearings are commonly used in various heavy machinery, including mining equipment, construction machinery, and gearboxes, where reliability and load capacity are critical. Their advanced design minimizes maintenance requirements and optimizes operational efficiency.
- Type: Spherical roller bearing
- Manufacturer: SKF
- Designation: QJ 308 MA
- Cage Type: Machined brass cage (MA)
- Applications: Heavy-duty industrial machinery, mining, construction, gearboxes
With SKF’s trusted engineering and quality assurance, the QJ 308 MA SKF offers exceptional durability and performance, making it an ideal choice for applications requiring reliable load handling and long operational life.

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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.