Bearing 6309 N C3 ZKL



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Product detailed description
Bearing 6309 N C3 ZKL
The 6309 N C3 ZKL is a high-quality deep groove ball bearing designed for a wide range of industrial and mechanical applications. Manufactured by ZKL, a reputable brand known for its precision and durability, this bearing ensures reliable performance and long service life under various operating conditions.
This particular model, 6309 N C3, features a slightly increased internal clearance (C3), which allows it to accommodate higher speeds and thermal expansions without compromising functionality. The "N" designation indicates that the bearing has a cylindrical outer ring with a snap ring groove and a snap ring, facilitating axial location in housings. This makes installation and maintenance easier in complex assemblies.
Typical dimensions for the 6309 bearing series are as follows:
- Inner diameter: 45 mm
- Outer diameter: 100 mm
- Width: 25 mm
The 6309 N C3 ZKL is engineered with high-grade steel, providing excellent resistance to wear and corrosion. Its deep groove design ensures smooth operation and minimal friction, which helps reduce energy consumption and heat generation during use.
Key features and benefits include:
- Enhanced internal clearance (C3) for thermal expansion and high-speed operation
- Snap ring groove and snap ring (N type) for secure axial positioning
- High precision and durability from ZKL manufacturing standards
- Suitable for electric motors, gearboxes, pumps, and other rotating machinery
Whether you are replacing worn bearings or designing new mechanical systems, the 6309 N C3 ZKL offers dependable performance, ease of installation, and extended operational life, making it an excellent choice for professionals and industrial users alike.

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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.