Bearing 6021 ZKL



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Product detailed description
Bearing 6021 ZKL
The 6021 ZKL is a high-quality deep groove ball bearing designed for a wide range of industrial and mechanical applications. Manufactured by ZKL, a reputable brand known for its precision and durability, this bearing ensures reliable performance and long service life in various operating conditions.
Featuring a robust construction, the 6021 ZKL is engineered to handle radial and axial loads efficiently. It is ideal for use in electric motors, gearboxes, pumps, and other rotating equipment where smooth operation and reduced friction are critical.
Key Features and Benefits
- High Precision: Manufactured with tight tolerances to guarantee optimal fit and smooth rotation.
- Durability: Made from premium-grade steel to resist wear, corrosion, and fatigue.
- Sealed Design: Equipped with metal shields (Z) to protect against dust and contaminants while allowing low friction operation.
- Versatility: Suitable for a broad range of applications in automotive, industrial, and agricultural machinery.
- Easy Installation: Standard dimensions make it compatible with most housings and shafts.
Technical Specifications
The 6021 ZKL corresponds to the standardized bearing size 6021, which typically has the following dimensions:
- Inner Diameter (d): 105 mm
- Outer Diameter (D): 130 mm
- Width (B): 25 mm
These dimensions comply with international bearing standards, ensuring interchangeability and compatibility with existing components.
Applications
The 6021 ZKL is widely used in:
- Electric motors and generators
- Industrial gearboxes and transmissions
- Pumps and compressors
- Machine tools and automation equipment
- Agricultural and construction machinery
Choosing the 6021 ZKL guarantees enhanced operational efficiency, reduced maintenance costs, and improved machinery lifespan.

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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.