Bearing 7309 AT ZKL



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Product detailed description
Bearing 7309 AT ZKL is a high-quality angular contact ball bearing designed to meet the demanding requirements of various industrial applications. Manufactured by ZKL, a reputable brand known for its precision and durability, this bearing ensures reliable performance and long service life in machinery where axial and radial loads are present.
This bearing features a robust construction with an inner diameter of 45 mm, an outer diameter of 85 mm, and a width of 19 mm. The "AT" designation indicates a specific internal design and clearance optimized for smooth operation and high-speed capabilities. Additionally, the "Z" suffix denotes the presence of a single metal shield on one side, providing protection against dust and contamination while maintaining low friction.
Key Features of Bearing 7309 AT ZKL
- Type: Angular Contact Ball Bearing
- Inner Diameter: 45 mm
- Outer Diameter: 85 mm
- Width: 19 mm
- Shielding: Single metal shield (Z) on one side
- High precision and rigidity for demanding applications
- Capable of handling combined radial and axial loads
- Suitable for high-speed rotation with low noise and vibration
- Made with high-quality materials for enhanced durability
Bearing 7309 AT ZKL is widely used in electric motors, gearboxes, pumps, and machine tool spindles, where stability and accuracy are critical. Its angular contact design allows it to accommodate axial loads in one direction, making it ideal for applications requiring precise alignment and load distribution.
Choosing the 7309 AT ZKL bearing guarantees improved operational efficiency and reduced maintenance costs due to its superior engineering and quality control standards. Whether you are replacing worn-out bearings or designing new equipment, this bearing provides a reliable solution to enhance your machinery’s performance.
Invest in the bearing 7309 AT ZKL for optimal balance between performance, durability, and cost-effectiveness in your mechanical systems.

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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.