Bearing 6311 2Z P6 ZKL



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Product detailed description
Bearing 6311 2Z P6 ZKL – High-Quality Deep Groove Ball Bearing
The bearing 6311 2Z P6 ZKL is a precision-engineered deep groove ball bearing designed to deliver outstanding performance and reliability in various mechanical applications. Manufactured by ZKL, this bearing model is built with advanced materials and stringent quality standards to ensure long service life and exceptional resistance to wear and tear.
This particular bearing features a robust steel construction with double metal shields (2Z) to protect the inner components from dust, dirt, and moisture, thereby enhancing durability and reducing maintenance needs. The P6 accuracy class guarantees improved running accuracy and lower vibration levels compared to standard bearings, making it ideal for high-speed and precision machinery.
Key Features of Bearing 6311 2Z P6 ZKL
- Designation: 6311 2Z P6 ZKL
- Type: Deep groove ball bearing
- Shielding: Double metal shields (2Z) for effective contamination protection
- Precision Class: P6, ensuring enhanced dimensional accuracy and performance
- Manufacturer: ZKL – known for quality and reliability in bearing production
Dimensions and Specifications
- Inner Diameter (d): 55 mm
- Outer Diameter (D): 120 mm
- Width (B): 29 mm
These dimensions make the bearing 6311 2Z P6 ZKL suitable for applications requiring medium-sized load capacity and moderate speeds. It is commonly used in electric motors, gearboxes, pumps, and other industrial machinery where reliability and precision are essential.
Benefits of Using Bearing 6311 2Z P6 ZKL
- Enhanced protection against contaminants thanks to double shields
- High precision and reduced noise levels due to P6 accuracy class
- Long operational life with minimal maintenance requirements
- Versatile application across various industries including automotive, manufacturing, and agriculture
Choosing the bearing 6311 2Z P6 ZKL ensures you receive a product that combines durability, precision, and reliability, helping optimize the performance of your machinery and reduce downtime. Whether for replacement or new equipment installation, this ZKL bearing is an excellent choice for professional and industrial use.

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ZKL Bearings and Transmission Technology Manufacturer
ZKL is a renowned manufacturer specializing in the production of high-quality bearings and advanced transmission technology solutions. With a rich history and commitment to innovation, ZKL has established itself as a key player in the global bearing industry.
Company History
Founded in 1947, ZKL has grown from a small manufacturer into one of the leading European producers of rolling bearings. Over the decades, the company has continuously invested in modern production technologies and research & development to maintain its competitive edge and deliver superior products to various industries worldwide.
Product Range
ZKL offers a comprehensive range of bearing products and transmission components designed for durability, precision, and high performance:
- Deep Groove Ball Bearings – versatile bearings suitable for various applications.
- Roller Bearings – including cylindrical roller bearings and spherical roller bearings for heavy load capacity.
- Needle Roller Bearings – optimized for space-constrained applications requiring high load capacity.
- Special Bearings and Customized Solutions – tailored bearings designed to meet unique industry requirements.
- Transmission Components – precision parts used in a variety of mechanical transmission systems.
Main Focus and Technologies
ZKL focuses on delivering reliable and innovative bearing solutions that cater to demanding operational conditions. The company emphasizes:
- Material excellence and cutting-edge manufacturing processes to ensure product longevity.
- Advanced heat treatment and sealing technologies for enhanced bearing performance.
- Customization and flexibility to accommodate specific customer needs across different sectors.
Application Areas
ZKL bearings and transmission products are widely used in a diverse range of industries, including:
- Automotive and transportation
- Industrial machinery and equipment
- Energy sector, including wind turbines and power plants
- Engineering and manufacturing processes
- Railway and aerospace technologies
Company Headquarters
ZKL is headquartered in Plzeň, Czech Republic. From this strategic location, the company serves a broad international market, combining traditional European manufacturing quality with modern technological standards to meet the evolving needs of its customers.