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Bearing QJ 309 MA/C3 SKF
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Bearing QJ 309 MA/C3 SKF
The QJ 309 MA/C3 SKF is a high-quality spherical roller bearing designed for demanding industrial applications. Manufactured by SKF, a global leader in bearing technology, this bearing guarantees reliable performance, durability, and precision under heavy radial and axial loads.
This particular bearing features a robust design that includes machined brass cages (denoted by "MA") which provide excellent strength and resistance to wear, making it suitable for applications involving high speeds and challenging operating conditions. The C3 clearance indicates an internal clearance greater than normal, allowing for thermal expansion and ensuring optimal performance in environments with elevated temperatures or high-speed operations.
The QJ 309 MA/C3 SKF is engineered to reduce friction and withstand misalignment, which improves the lifespan of machinery components and reduces maintenance costs. Its spherical roller design makes it ideal for use in heavy machinery, electric motors, gearboxes, and other equipment where both radial and axial loads occur simultaneously.
- Type: Spherical roller bearing
- Designation: QJ 309 MA/C3
- Manufacturer: SKF
- Cage Type: Machined brass cage (MA)
- Internal Clearance: C3 (greater than standard)
As a standard bearing from SKF’s QJ series, the QJ 309 typically has the following dimensions:
- Inner Diameter (d): 45 mm
- Outer Diameter (D): 85 mm
- Width (B): 19 mm
This size and configuration make the QJ 309 MA/C3 SKF especially suitable for moderate to heavy load applications with moderate speeds. Its ability to handle misalignment and thermal variations ensures smooth operation and longevity in various industrial settings.
Choose the QJ 309 MA/C3 SKF for your machinery to benefit from SKF’s renowned engineering excellence, enhanced reliability, and extended service intervals. Whether you require a bearing for conveyors, pumps, or heavy-duty industrial equipment, this bearing offers the perfect balance of performance and durability.
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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.