Bearing 6311 2ZR FAG



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Product detailed description
Bearing 6311 2ZR FAG – High-Quality Precision Bearing
The 6311 2ZR FAG is a robust, high-performance deep groove ball bearing designed for a wide range of industrial and mechanical applications. Manufactured by FAG, a globally recognized leader in bearing technology, this bearing ensures exceptional reliability, durability, and smooth operation under various load conditions.
This particular model, 6311 2ZR, is equipped with two metal shields (denoted by 2ZR), which offer effective protection against dirt, dust, and other contaminants, while retaining the internal lubrication. This feature significantly extends the service life of the bearing and reduces maintenance requirements.
Technical Specifications and Features
- Type: Deep groove ball bearing
- Designation: 6311 2ZR FAG
- Sealing: Double metal shields (2ZR) for enhanced protection
- Manufacturer: FAG
- Durability: High resistance to wear and mechanical stress
- Performance: Low friction and smooth rotational movement
Dimensions
The 6311 2ZR FAG bearing comes with standardized dimensions according to international bearing standards, making it compatible with a wide range of machinery:
- Inner Diameter (d): 55 mm
- Outer Diameter (D): 120 mm
- Width (B): 29 mm
Applications
This bearing is ideally suited for applications requiring reliable performance and long service life, including:
- Electric motors and generators
- Industrial gearboxes
- Pumps and compressors
- Conveyor systems
- Machine tools and automation equipment
Choosing the 6311 2ZR FAG ensures that your machinery operates efficiently with reduced downtime thanks to its superior build quality and protective features. FAG’s commitment to precision engineering guarantees that this bearing meets the highest standards of performance and reliability.

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FAG Bearings and Transmission Technology Manufacturer
About FAG
FAG is a globally recognized manufacturer specializing in high-precision bearings and advanced transmission technology. Founded in 1883 in Schweinfurt, Germany, FAG has built a reputation for innovation, quality, and durability in the field of rolling bearings and related components. As part of the Schaeffler Group since 2001, FAG continues to leverage cutting-edge engineering to serve a broad range of industries worldwide.
Company History
FAG was established by Friedrich Fischer, an innovator who developed the first ball grinding machine in 1883, revolutionizing the bearing industry. The name FAG stands for Fischers Aktien-Gesellschaft. Over more than a century, the company expanded from producing simple ball bearings to an extensive product portfolio addressing diverse industrial needs. Throughout its history, FAG has been synonymous with precision technology, driving advancements in bearing development and quality standards.
Product Range
FAG offers an extensive selection of products known for reliability and performance, including:
- Ball Bearings: Deep groove, angular contact, and thrust ball bearings designed for various load conditions.
- Roller Bearings: Cylindrical, spherical, and tapered roller bearings for high load capacities.
- Precision Bearings: Bearings optimized for high-speed and high-accuracy applications.
- Transmission Technology: Products such as clutches, synchronizers, and other drivetrain components.
- Maintenance and Diagnostic Tools: To ensure optimal bearing performance and longevity.
Main Focus and Technologies
FAG focuses on developing bearing solutions that enhance machine efficiency, reduce friction, and extend service life. The company integrates advanced materials, innovative manufacturing processes, and digital monitoring systems to produce state-of-the-art components. Key technological highlights include:
- High-Precision Bearings: Manufactured with exacting tolerances for aerospace, automotive, and industrial machinery.
- Condition Monitoring: Sensor-equipped bearings and smart systems for predictive maintenance.
- Specialized Lubrication Solutions: To maximize durability and minimize downtime.
Application Areas
FAG's products are utilized in numerous industries, including:
- Automotive Industry: Engine, transmission, and chassis components relying on precision bearings.
- Aerospace: Bearings designed for demanding environments and high-speed applications.
- Industrial Machinery: Heavy-duty bearings for manufacturing and production equipment.
- Energy Sector: Bearings for wind turbines, power generation, and mining machinery.
- Railways and Transportation: Robust solutions for trains and commercial vehicles.
Company Headquarters
The headquarters of FAG is located in Schweinfurt, Germany, maintaining its strong historical roots. The location is a central hub for design, manufacturing, research, and global distribution activities.