Bearing NU 405 ZKL



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Product detailed description
Bearing NU 405 ZKL – High-Quality Cylindrical Roller Bearing
The NU 405 ZKL is a precision-engineered cylindrical roller bearing designed to deliver exceptional performance in a wide range of industrial applications. Manufactured by ZKL, a reputable brand known for its reliability and durability, this bearing ensures smooth operation and extended service life under demanding conditions.
This bearing features a robust design with a double row of cylindrical rollers, allowing it to accommodate heavy radial loads while providing low friction and minimal heat generation during operation. The "NU" designation indicates a bearing with an outer ring with two ribs, suitable for applications where axial displacement of the shaft relative to the housing is required.
Key Features and Benefits
- High Load Capacity: Suitable for heavy radial loads, ensuring reliable performance in heavy machinery.
- Axial Displacement Capability: The NU design allows the shaft to move axially, which is essential in applications with thermal expansion or shaft movement.
- Durable Construction: Made from high-quality steel for enhanced wear resistance and long operational life.
- Precision Engineering: Tight manufacturing tolerances ensure smooth rotation and reduced vibration.
- Wide Application Range: Ideal for use in electric motors, gearboxes, machine tools, and various industrial equipment.
Specifications and Dimensions
The NU 405 ZKL bearing conforms to international bearing standards, featuring the following dimensions:
- Bore Diameter: 25 mm
- Outer Diameter: 52 mm
- Width: 15 mm
These dimensions make it compatible with many standard shafts and housings, facilitating easy replacement and integration into existing machinery setups.
Applications
The NU 405 ZKL is widely used across various industries due to its robust design and reliable performance, including:
- Industrial gearboxes
- Electric motors and generators
- Machine tools and automation equipment
- Pumps and compressors
- Conveyor systems
Its ability to handle high radial loads and accommodate axial displacement makes it an excellent choice for dynamic and heavy-duty applications.
Conclusion
For engineers and maintenance professionals looking for a durable and efficient cylindrical roller bearing, the NU 405 ZKL offers a perfect balance of performance, reliability, and value. Trust ZKL’s expertise to keep your machinery running smoothly with this premium-quality bearing.

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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.