Лагери NU 306 ECMA/C3B20 SKF



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Bearing NU 306 ECMA/C3B20 SKF
The NU 306 ECMA/C3B20 SKF is a high-quality cylindrical roller bearing designed for demanding industrial applications. Manufactured by SKF, a globally recognized leader in bearing technology, this product ensures reliable performance, durability, and efficiency in various mechanical systems.
This bearing features a cylindrical roller design that allows it to accommodate heavy radial loads while providing low friction and high rotational accuracy. The NU 306 designation indicates that it is a single-row cylindrical roller bearing with a removable inner ring, facilitating easy mounting and dismounting without affecting the outer ring. The ECMA/C3B20 suffix denotes specific design and clearance features tailored for optimal operation under particular conditions.
Key Features and Benefits
- Robust Construction: Engineered to withstand high radial loads and reduce wear over time.
- Precision Engineering: Ensures smooth rotation and minimizes vibration for enhanced operational stability.
- Clearance C3: The C3 internal clearance provides additional space to accommodate thermal expansion and shaft deflections, improving bearing life and performance.
- Easy Assembly: The design allows for simple installation and removal, reducing maintenance time and costs.
- SKF Quality Assurance: Manufactured to strict SKF standards, guaranteeing reliability and long service life.
Technical Specifications
The NU 306 ECMA/C3B20 SKF bearing typically has dimensions of 30 mm inner diameter, 72 mm outer diameter, and 19 mm width, which align with the standard dimensions for NU 306 series cylindrical roller bearings. These dimensions make it suitable for a wide range of mechanical and automotive applications where space and load requirements match these parameters.
Applications
This bearing is ideal for use in electric motors, gearboxes, machine tools, conveyors, and other industrial equipment requiring robust radial load handling and precise rotational movement. Its design is particularly beneficial in environments where thermal expansion and shaft misalignment may occur.
Choosing the NU 306 ECMA/C3B20 SKF guarantees you a dependable component engineered to enhance machine performance and longevity, backed by SKF’s expertise in bearing technology.

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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.