Bearing 7303 ZKL



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Product detailed description
Bearing 7303 ZKL is a high-quality angular contact ball bearing designed for applications requiring reliable performance and durability. Manufactured by ZKL, a trusted leader in the bearing industry, this bearing is engineered to meet the demands of various mechanical systems, ensuring smooth operation and long service life.
Key Features of Bearing 7303 ZKL
- Type: Angular Contact Ball Bearing
- Model: 7303 ZKL
- Shielding: Single metal shield (denoted by “Z”)
- High precision and load-carrying capability
- Optimized for high-speed applications
- Durable construction with quality materials
The bearing 7303 ZKL is particularly suitable for use in electric motors, gearboxes, pumps, and other rotating equipment where axial and radial loads are present simultaneously. Its design enables it to handle moderate axial loads in one direction, making it an excellent choice for applications that require both rigidity and smooth rotation.
Dimensions and Specifications
- Inner Diameter (d): 17 mm
- Outer Diameter (D): 40 mm
- Width (B): 12 mm
These precise dimensions ensure compatibility with a wide range of machinery and equipment. The “Z” designation indicates that the bearing is fitted with a metal shield on one side, providing protection against dust and contaminants while maintaining low friction.
Why Choose Bearing 7303 ZKL?
Choosing bearing 7303 ZKL means investing in reliable performance and extended equipment life. Its robust design reduces wear and tear, minimizes downtime, and improves overall operational efficiency. Whether for industrial machinery or automotive applications, this bearing stands out for its combination of quality, durability, and affordability.
For engineers and maintenance professionals seeking dependable bearings that meet rigorous standards, bearing 7303 ZKL offers an optimal solution backed by ZKL’s expertise in bearing technology.

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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.