Bearing 6303 2RSH C3 SKF



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Product detailed description
Bearing 6303 2RSH C3 SKF
The 6303 2RSH C3 SKF is a high-quality deep groove ball bearing designed to meet demanding industrial and mechanical applications. Manufactured by SKF, a globally recognized leader in bearing technology, this bearing ensures reliable performance, durability, and precision under various operating conditions.
This particular bearing model features the 6303 designation, which corresponds to a standard dimension set with an inner diameter of 17 mm, an outer diameter of 47 mm, and a width of 14 mm. The "2RSH" suffix indicates that the bearing is equipped with two synthetic rubber seals, providing effective protection against dust, dirt, and moisture, thus enhancing its lifespan and reducing maintenance requirements.
The "C3" clearance rating of this bearing means it has greater internal clearance than standard bearings, making it suitable for applications where thermal expansion or shaft deflection can occur. This extra clearance helps accommodate higher operating temperatures and speeds without compromising the bearing’s integrity.
Key Features of 6303 2RSH C3 SKF
- Dimensions: 17 x 47 x 14 mm (inner diameter x outer diameter x width)
- Sealing: Double synthetic rubber seals (2RSH) for enhanced protection
- Internal Clearance: C3 for extra radial play and thermal expansion accommodation
- Type: Deep groove ball bearing for versatile applications
- Manufacturer: SKF, renowned for quality and innovation in bearing technology
Ideal for use in electric motors, gearboxes, pumps, and various industrial machinery, the 6303 2RSH C3 SKF offers excellent resistance to contamination and long service life. Its robust construction and reliable sealing make it an optimal choice for environments exposed to dust and moisture.
Whether you require bearings for maintenance, repair, or new machinery assembly, the 6303 2RSH C3 SKF delivers consistent performance and high efficiency, ensuring smooth operation and reduced downtime.

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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.