Bearing B7203-CATB-P5 ZKL



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Product detailed description
Bearing B7203-CATB-P5 ZKL
The B7203-CATB-P5 ZKL is a high-quality angular contact ball bearing designed for demanding industrial and mechanical applications. Manufactured by ZKL, a well-respected brand known for precision and reliability, this bearing ensures optimal performance, durability, and efficiency in various rotating machinery.
This bearing is engineered with a high level of precision, classified under the P5 tolerance class, which guarantees tighter dimensional and running accuracy compared to standard bearings. Such precision makes the B7203-CATB-P5 ZKL ideal for applications requiring smooth operation at high speeds and minimal vibration.
The "CATB" designation indicates that this bearing features a specific internal design and cage construction aimed at enhancing load capacity and operational stability. It is built to accommodate combined radial and axial loads, making it versatile for use in pumps, electric motors, gearboxes, and other mechanical components.
- Type: Angular Contact Ball Bearing
- Manufacturer: ZKL
- Designation: B7203-CATB-P5 ZKL
- Tolerance Class: P5 (high precision)
- Applications: High-speed machinery, electric motors, pumps, gearboxes
While specific dimensions for the B7203 series typically align with the 7203 bearing standard, such as an inner diameter of 17 mm, outer diameter of 40 mm, and width of 12 mm, it is recommended to confirm exact measurements from official ZKL documentation or catalogs to ensure compatibility with your equipment.
Choosing the B7203-CATB-P5 ZKL bearing means investing in a component that supports longevity and efficiency, helping reduce downtime and maintenance costs. Its robust construction and precise manufacturing standards make it a preferred choice for engineers and maintenance professionals aiming for superior machine performance.

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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.