Bearing 6306 ZN ZKL



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Product detailed description
Bearing 6306 ZN ZKL is a high-quality deep groove ball bearing designed to provide reliable and efficient rotational performance in various industrial applications. Manufactured by ZKL, a trusted name in the bearing industry, this model is engineered to ensure durability, precision, and smooth operation under demanding conditions.
Key Features of Bearing 6306 ZN ZKL
- Type: Deep groove ball bearing
- Shielding: ZN - single metal shield on one side, protecting the bearing from contaminants while retaining lubrication
- Manufacturer: ZKL
- Material: High-grade bearing steel for enhanced strength and wear resistance
Dimensions and Specifications
- Inner Diameter (d): 30 mm
- Outer Diameter (D): 72 mm
- Width (B): 19 mm
The compact dimensions of the 6306 ZN ZKL bearing make it suitable for a wide range of mechanical assemblies, including electric motors, gearboxes, pumps, and various automotive and industrial machinery.
Performance and Applications
The 6306 ZN ZKL bearing is designed to operate at high speeds with minimal friction and noise, thanks to its precision engineering and metal shield that helps prevent dirt and debris from entering the bearing chamber. Its robust construction ensures a long service life even in harsh environments.
This bearing is widely used in applications requiring moderate to heavy radial loads and some axial load capacity, making it versatile for many mechanical systems. The metal shield on one side also facilitates maintenance by allowing lubrication to be retained inside the bearing while keeping contaminants out.
Why Choose Bearing 6306 ZN ZKL?
- Reliable performance under various operating conditions
- Reduced maintenance due to metal shielding
- High load capacity with smooth rotational motion
- Compatibility with standard housings and shafts
In summary, the bearing 6306 ZN ZKL by ZKL is an excellent choice for engineers and technicians seeking a dependable, high-quality deep groove ball bearing for demanding industrial and automotive applications.

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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.