Bearing 6021 ZKL



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Product detailed description
Bearing 6021 ZKL: High-Quality, Durable Performance
The bearing 6021 ZKL is a robust and reliable component designed to meet the demands of various industrial and mechanical applications. Manufactured by ZKL, a renowned producer of precision bearings, this model guarantees excellent performance, durability, and consistent operation under diverse conditions.
Specifically engineered for applications requiring high radial load capacity and moderate speeds, the bearing 6021 ZKL stands out for its precision and longevity. It features a deep groove ball design that ensures smooth rotation and reduced friction, contributing to lower energy consumption and extended equipment life.
Key Features and Benefits
- Design: Deep groove ball bearing with a single metal shield (Z), providing protection against dirt and debris while allowing for lubrication retention.
- Durability: Made from high-grade steel materials, the bearing 6021 ZKL delivers superior wear resistance and mechanical strength.
- Versatility: Suitable for a wide range of applications including electric motors, gearboxes, pumps, and automotive components.
- Low Maintenance: Sealed design minimizes the need for frequent lubrication, reducing maintenance time and costs.
Dimensions of Bearing 6021 ZKL
- Inner Diameter: 105 mm
- Outer Diameter: 145 mm
- Width: 28 mm
These precise dimensions ensure compatibility with standard housings and shafts, facilitating easy installation and replacement. The bearing 6021 ZKL adheres to international standards, making it a trusted choice for engineers and maintenance professionals worldwide.
In summary, the bearing 6021 ZKL combines quality, durability, and efficiency, making it an ideal solution for demanding mechanical systems. Whether upgrading existing machinery or designing new equipment, this bearing provides dependable performance and long service life.

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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.