Bearing 6307 C3 ZKL



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Product detailed description
Bearing 6307 C3 ZKL
The 6307 C3 ZKL is a high-quality deep groove ball bearing designed to offer reliable performance and durability in a wide range of mechanical applications. Manufactured by ZKL, a trusted name in the bearing industry, this model is engineered to meet stringent standards and provide smooth rotational motion under varying load conditions.
This bearing features a C3 internal clearance, which means it has greater radial internal clearance than standard bearings. This makes it ideal for applications where thermal expansion or higher speeds are expected, ensuring reduced friction and extended service life. The "Z" designation indicates that the bearing is equipped with a single metal shield on one side, providing protection against moderate contamination while allowing for lower friction compared to sealed bearings.
Key specifications of the 6307 C3 ZKL include:
- Type: Deep groove ball bearing
- Internal clearance: C3 (greater than normal)
- Shield: Single metal shield (Z)
- Manufacturer: ZKL
- Dimensions: 35 x 80 x 21 mm (inner diameter x outer diameter x width)
The 6307 bearing series is commonly used in electric motors, pumps, gearboxes, and various industrial machinery where reliable rotational support and minimal maintenance are critical. Thanks to its robust construction and precise engineering, the 6307 C3 ZKL is well-suited for applications involving moderate to heavy radial loads and moderate thrust loads.
Choosing this bearing ensures enhanced operational efficiency and reduced downtime, making it a cost-effective solution for both OEMs and maintenance professionals. Whether you are upgrading your equipment or replacing worn components, the 6307 C3 ZKL delivers consistent 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.