Bearing 6311/C3 SKF



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Product detailed description
Bearing 6311/C3 SKF
The 6311/C3 SKF is a high-quality deep groove ball bearing designed for a wide range of industrial applications. Manufactured by SKF, a globally recognized leader in bearing technology, this bearing combines durability, precision, and performance to ensure reliable operation in demanding environments.
This particular model, 6311/C3, features a C3 internal clearance, which allows for increased radial play. This makes it especially suitable for applications where heat expansion or shaft deflection occurs, providing enhanced operational safety and longevity under high-speed or high-temperature conditions.
Key Features and Benefits
- Robust Design: Engineered for durability, the 6311/C3 SKF withstands heavy loads and harsh operating conditions.
- Enhanced Clearance: The C3 designation indicates greater internal clearance, accommodating thermal expansion and ensuring smooth rotation.
- Precision Engineering: SKF’s advanced manufacturing techniques guarantee consistent quality and dimensional accuracy.
- Versatile Applications: Ideal for use in electric motors, pumps, gearboxes, and various mechanical equipment.
- Reduced Friction: Optimized design reduces frictional losses, improving efficiency and reducing energy consumption.
Technical Specifications
The 6311/C3 SKF is a standard deep groove ball bearing with the following dimensions:
- Inner Diameter (d): 55 mm
- Outer Diameter (D): 120 mm
- Width (B): 29 mm
These dimensions comply with the international ISO standards for 6311 series bearings, ensuring compatibility and interchangeability in various mechanical assemblies.
Applications
The 6311/C3 SKF is widely used in industries such as automotive, manufacturing, agriculture, and heavy machinery. Its ability to handle moderate radial and axial loads while maintaining high rotational speeds makes it a preferred choice for conveyor systems, electric motors, and industrial gearboxes.
Choosing the 6311/C3 SKF ensures reliable performance, longer service intervals, and reduced maintenance costs, making it an excellent investment for industrial maintenance and equipment manufacturing.

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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.