Bearing B7203-C-ATB-P4-OL ZKL



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Product detailed description
bearing B7203-C-ATB-P4-OL ZKL: High-Precision Angular Contact Bearing
The bearing B7203-C-ATB-P4-OL ZKL is a premium angular contact ball bearing designed for applications requiring exceptional accuracy and reliability. Manufactured by ZKL, a renowned leader in bearing technology, this model offers superior performance under demanding operating conditions. It is engineered to deliver high-speed capabilities, excellent rigidity, and long service life, making it ideal for precision machinery and industrial equipment.
This bearing features a single-row angular contact design with a 15° contact angle, enabling it to support combined radial and axial loads efficiently. The "P4" designation indicates a high-precision tolerance class, ensuring minimal vibration and noise during operation. Additionally, the "OL" suffix denotes an optimized internal design for enhanced load capacity and reduced friction.
Key Features and Benefits
- High Precision: P4 tolerance class for accurate rotation and smooth performance.
- Optimized Design: OL internal geometry improves load capacity and reduces friction.
- Durability: Robust construction with high-quality steel for extended bearing life.
- Speed Capability: Suitable for high-speed applications without compromising stability.
- Axial and Radial Load Support: Angular contact design supports combined loads effectively.
Technical Specifications
The bearing B7203-C-ATB-P4-OL ZKL comes with the following dimensions:
- Inner Diameter (d): 17 mm
- Outer Diameter (D): 40 mm
- Width (B): 12 mm
These precise dimensions make it suitable for a variety of mechanical assemblies where space constraints and performance are critical.
Applications
This bearing is widely used in high-precision equipment such as:
- Machine tools
- Robotics
- Electric motors
- Pumps and compressors
- Precision instruments
The bearing B7203-C-ATB-P4-OL ZKL is an excellent choice for engineers and designers seeking reliability and accuracy in their projects.

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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.