Bearing 7309 AT P4 ZKL



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Product detailed description
Bearing 7309 AT P4 ZKL – High Precision and Reliability
The 7309 AT P4 ZKL is a premium angular contact ball bearing designed for applications demanding high precision, durability, and smooth operation. Manufactured by ZKL, a renowned brand in the bearing industry, this bearing is engineered to meet the stringent requirements of modern machinery and equipment, ensuring optimal performance under challenging conditions.
This particular model, 7309 AT P4, belongs to the 7300 series of angular contact ball bearings, known for their ability to accommodate combined radial and axial loads. The suffixes "AT" and "P4" indicate specific design and tolerance classes, with P4 representing a high-precision tolerance grade suitable for applications requiring minimal vibration and noise. The ZKL brand guarantees quality manufacturing standards, making this bearing an excellent choice for various industrial uses.
Key Features of 7309 AT P4 ZKL
- Precision Class: P4 tolerance ensures high accuracy and low vibration for smooth rotation.
- Design: Angular contact ball bearing with optimized internal geometry for enhanced load capacity.
- Load Handling: Capable of accommodating both radial and axial loads in one direction, ideal for complex load scenarios.
- Durability: Manufactured with high-quality materials to provide excellent wear resistance and long service life.
- Brand Reliability: Produced by ZKL, a trusted European bearing manufacturer known for consistent quality and innovation.
Applications
The 7309 AT P4 ZKL is widely used in various industries including:
- Machine tool spindles requiring high rotation accuracy
- Electric motors and pumps
- Aerospace and automotive components
- Robotics and automation systems
- Precision instruments and measuring equipment
Technical Specifications
The standard dimensions for the 7309 angular contact ball bearing series are as follows:
- Inner Diameter (d): 45 mm
- Outer Diameter (D): 85 mm
- Width (B): 19 mm
These dimensions comply with international bearing standards, ensuring interchangeability and compatibility with a wide range of equipment.
In summary, the 7309 AT P4 ZKL is a high-quality angular contact bearing that delivers precision, reliability, and durability. Whether for industrial machinery or precision engineering applications, this bearing is an excellent choice for engineers and maintenance professionals seeking superior performance and longevity.

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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.