Bearing NU 315 P6 NA ZKL



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Product detailed description
Bearing NU 315 P6 NA ZKL
The NU 315 P6 NA ZKL is a high-quality cylindrical roller bearing designed for heavy-duty applications requiring robust radial load capacity and precision performance. Manufactured by ZKL, a reputable brand known for durable and reliable bearings, this model combines advanced engineering with precise manufacturing tolerances to ensure smooth operation and extended service life.
This bearing belongs to the NU series, characterized by its cylindrical rollers and two integral flanges on the outer ring, allowing axial displacement of the shaft relative to the housing. This design makes the NU 315 P6 NA ZKL ideal for applications where thermal expansion or shaft deflection occurs.
Key Features and Benefits
- High Radial Load Capacity: The cylindrical roller design supports heavy radial loads, making it suitable for industrial machinery and equipment.
- Precision Tolerance P6: The P6 tolerance class ensures improved running accuracy compared to standard bearings, enhancing machine performance and reducing vibration.
- Reliable Design: The NA suffix indicates a loose inner ring, facilitating easier mounting and dismounting without compromising bearing stability.
- Durable Construction: Made from high-grade steel with precision finishing, this bearing withstands demanding operating conditions and provides long service intervals.
Technical Specifications
The NU 315 P6 NA ZKL has the following standard dimensions based on international bearing standards:
- Inner Diameter (d): 75 mm
- Outer Diameter (D): 130 mm
- Width (B): 31 mm
Applications
This bearing is commonly used in:
- Heavy machinery such as compressors, pumps, and electric motors
- Gearboxes and transmission systems requiring reliable radial load support
- Industrial equipment where axial displacement accommodation is critical
- Automotive and railway components demanding precision and durability
Choosing the NU 315 P6 NA ZKL ensures superior performance, increased operational reliability, and reduced maintenance needs. Its precision and robust design make it an excellent choice for engineers and maintenance professionals looking for dependable bearing solutions.

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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.