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Bearing 21318 E W33 SKF
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Product detailed description
Bearing 21318 E W33 SKF: High-Performance Spherical Roller Bearing
The bearing 21318 E W33 SKF is a premium spherical roller bearing designed for heavy-duty industrial applications. Manufactured by SKF, a global leader in bearing technology, this bearing offers exceptional durability, reliability, and performance in demanding environments. Its robust design ensures optimal load-carrying capacity and superior resistance to misalignment and shock loads.
This particular model, 21318 E W33, features an integral lubrication groove (W33) that facilitates efficient grease distribution, enhancing maintenance intervals and extending service life. The "E" designation indicates an improved internal design that provides higher load ratings compared to standard versions.
Key Features and Benefits
- Type: Spherical roller bearing
- Design: Two rows of spherical rollers with a common sphered raceway in the outer ring
- Lubrication: Equipped with a lubrication groove and three lubrication holes (W33) for effective grease application
- Enhanced Load Capacity: The "E" internal design increases the bearing's dynamic load rating
- Misalignment Tolerance: Self-aligning feature compensates for shaft deflections and mounting inaccuracies
- Durability: High-quality steel construction ensures resistance to wear and fatigue
Dimensions
The bearing 21318 E W33 SKF has the following precise dimensions:
- Inner Diameter (d): 90 mm
- Outer Diameter (D): 160 mm
- Width (B): 43 mm
Applications
Due to its robust construction and reliability, the SKF 21318 E W33 bearing is widely used in:
- Heavy machinery and equipment
- Mining and construction industries
- Paper and pulp processing
- Steel and metal production
- Wind turbines
- Industrial gearboxes and motors
Choosing the bearing 21318 E W33 SKF ensures optimal performance, reduced downtime, and long-lasting operational efficiency. It is an ideal solution for applications requiring high load capacity, excellent misalignment compensation, and reliable lubrication management.
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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.