Лагери 6303 RS ZKL



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Bearing 6303 RS ZKL
The 6303 RS ZKL is a high-quality deep groove ball bearing designed for reliable performance in various industrial and mechanical applications. Manufactured by ZKL, a reputable brand known for precision and durability, this bearing is engineered to provide smooth rotational motion and support radial and axial loads efficiently.
This particular model, 6303 RS, features a single rubber seal (RS) on one side, which protects the internal components from dust, dirt, and moisture, thereby extending the bearing's service life and reducing maintenance requirements. The robust construction and sealing make it an excellent choice for environments where contamination is a concern.
Key Features and Benefits
- Sealed Design: The RS rubber seal enhances protection against contaminants, ensuring reliable operation over time.
- Durability: Made from high-grade steel, the bearing offers excellent resistance to wear and fatigue.
- Versatility: Suitable for use in electric motors, automotive applications, industrial machinery, and household appliances.
- Low Friction: Precision engineering reduces friction and heat generation, improving efficiency and longevity.
- Easy Installation: Standard dimensions allow for straightforward replacement and integration into existing assemblies.
Dimensions and Specifications
The 6303 RS ZKL conforms to the standard dimensions for the 6303 bearing series, measuring:
- Inner Diameter: 17 mm
- Outer Diameter: 47 mm
- Width: 14 mm
These standardized dimensions ensure compatibility with a wide range of equipment and facilitate easy sourcing and replacement.
Applications
The 6303 RS ZKL is widely used across multiple industries, including:
- Electric motors and generators
- Automotive wheel hubs and transmissions
- Industrial gearboxes and conveyor systems
- Pumps and compressors
- Household appliances such as washing machines and fans
Its reliable sealing and robust construction make it especially suitable for applications where dust and moisture exposure is prevalent.
Choose the 6303 RS ZKL for your bearing needs to ensure high performance, long service life, and excellent value in any mechanical system.

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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.