Bearing 6303 2Z C3 SKF



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Product detailed description
Bearing 6303 2Z C3 SKF
The 6303 2Z C3 SKF is a high-quality deep groove ball bearing designed for reliable performance in various industrial and mechanical applications. Manufactured by SKF, a leading global bearing brand, this bearing combines durability with precision engineering to ensure optimal operation under demanding conditions.
This particular bearing features a 2Z metal shield on both sides, providing excellent protection against dust and other contaminants while allowing for smooth rotation. The C3 clearance indicates that the bearing has greater internal clearance than standard bearings, making it suitable for applications with higher speeds or thermal expansion requirements.
Key features of the 6303 2Z C3 SKF include:
- Double metal shielding (2Z) for enhanced protection
- C3 internal clearance for improved performance at elevated temperatures and speeds
- High-quality steel construction ensuring durability and long service life
- Low friction design to reduce energy consumption and heat generation
According to SKF standard dimensions, the 6303 2Z C3 SKF has the following measurements:
- Inner diameter (d): 17 mm
- Outer diameter (D): 47 mm
- Width (B): 14 mm
This bearing is widely used in electric motors, automotive applications, gearboxes, and various machinery where reliable rotation and load handling are critical. Its robust design and precise manufacturing standards make it an excellent choice for maintenance, repair, or new equipment assembly.
Choosing the 6303 2Z C3 SKF ensures you benefit from SKF’s renowned quality and innovative bearing solutions, helping to keep your operations running smoothly and efficiently.

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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.