Bearing NU 215 ZKL



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Product detailed description
Bearing NU 215 ZKL
The NU 215 ZKL is a high-quality cylindrical roller bearing designed for various industrial applications. Manufactured by ZKL, a renowned producer known for precision and durability, this bearing offers reliable performance and long service life under demanding operating conditions.
This bearing type features a cylindrical roller design, which allows it to accommodate heavy radial loads and enables axial displacement of the shaft relative to the housing in one direction. The "NU" designation indicates that the bearing has a specific rib configuration on the inner and outer rings, allowing for axial movement and reducing stress during thermal expansion.
Key features of the NU 215 ZKL include:
- Robust construction with cylindrical rollers for high load capacity
- Optimized rib design enabling axial displacement
- Precision manufacturing ensuring smooth operation and minimal friction
- Durable materials and heat treatment for enhanced wear resistance
- Suitable for high-speed rotation and heavy-duty industrial machinery
Typical applications for the NU 215 ZKL include electric motors, gearboxes, machine tools, and other mechanical systems requiring reliable radial load handling with some axial movement.
According to standard bearing dimensions, the NU 215 bearing has the following dimensions:
- Inner diameter (d): 75 mm
- Outer diameter (D): 130 mm
- Width (B): 31 mm
These dimensions conform to international bearing standards, ensuring compatibility with a wide range of assemblies and equipment.
When choosing the NU 215 ZKL, users benefit from ZKL's commitment to quality, resulting in a bearing that performs reliably under challenging conditions, reduces maintenance needs, and extends machinery uptime.

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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.