Bearing NU 305 ZKL



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Product detailed description
Bearing NU 305 ZKL
The NU 305 ZKL is a high-quality cylindrical roller bearing designed to deliver reliable performance in a variety of industrial applications. Manufactured by ZKL, a reputable producer known for precision and durability, this bearing is engineered to withstand heavy radial loads while ensuring smooth rotational movement.
This specific model, NU 305, features a robust construction that allows for axial displacement of the shaft relative to the housing in one direction, making it ideal for applications where thermal expansion or shaft deflection occurs. The design promotes low friction and high load capacity, which contributes to longer service life and reduced maintenance costs.
Key Features of NU 305 ZKL
- Type: Cylindrical roller bearing, NU design
- Manufacturer: ZKL
- High radial load capacity
- Allows for axial displacement in one direction
- Durable construction for extended operational life
- Precision engineering ensuring minimal friction and heat generation
Applications
NU 305 ZKL bearings are widely used in heavy machinery, electric motors, gearboxes, and industrial equipment where reliable radial load support and axial displacement accommodation are essential. Their robust design makes them suitable for demanding environments such as mining, construction, and manufacturing industries.
Product Dimensions
The standard dimensions for the NU 305 bearing correspond to:
- Inner diameter (d): 25 mm
- Outer diameter (D): 62 mm
- Width (B): 17 mm
These dimensions conform to international bearing standards, ensuring interchangeability and easy integration into existing machinery setups.
Choose the NU 305 ZKL bearing for dependable performance, precision engineering, and long-lasting durability in your mechanical systems.

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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.