Bearing 6303 2RSH C3 SKF



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Product detailed description
Bearing 6303 2RSH C3 SKF is a high-quality deep groove ball bearing designed to provide reliable performance and long service life in various industrial applications. Manufactured by SKF, a global leader in bearing technology, this bearing model is engineered for optimal durability and efficiency.
This particular bearing features the 6303 designation, which corresponds to its specific size and design characteristics. The 2RSH suffix indicates that the bearing is equipped with two rubber seals, providing excellent protection against dirt and moisture ingress, making it suitable for environments where contamination is a concern. The C3 clearance rating means the bearing has greater internal clearance than standard, allowing it to accommodate thermal expansion and operate smoothly under higher speeds or temperatures.
Key Features of Bearing 6303 2RSH C3 SKF
- Type: Deep groove ball bearing
- Seals: 2 rubber seals (2RSH) for enhanced protection
- Internal Clearance: C3, providing extra radial internal clearance
- Brand: SKF, renowned for quality and reliability
Dimensions
- Inner Diameter (d): 17 mm
- Outer Diameter (D): 40 mm
- Width (B): 12 mm
The bearing 6303 2RSH C3 SKF is widely used in electric motors, pumps, conveyor systems, and automotive applications, where reduced maintenance and robust performance are essential. Its sealed design ensures minimal lubrication loss and prevents contamination, extending bearing life and reducing downtime.
Choosing the SKF 6303 2RSH C3 bearing guarantees a product that meets stringent quality standards and delivers superior performance under demanding conditions. Whether for replacement or new machinery, this bearing is an excellent choice for engineers and maintenance professionals seeking reliability and efficiency.

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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.