Bearing NJ 305 NA P6 ZKL



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Product detailed description
Bearing NJ 305 NA P6 ZKL – High-Precision Cylindrical Roller Bearing
The NJ 305 NA P6 ZKL is a premium cylindrical roller bearing designed to deliver exceptional performance in demanding industrial applications. Manufactured by ZKL, a renowned producer of high-quality bearings, this model combines durability, precision, and reliability to ensure optimal operation in various mechanical systems.
This bearing is part of the NJ series, characterized by its ability to accommodate heavy radial loads and moderate axial forces in one direction. The "NA" suffix indicates that the bearing features a reinforced inner ring flange on one side, which allows the bearing to handle axial loads efficiently. Additionally, the "P6" designation denotes the precision class, offering tighter tolerances and enhanced running accuracy compared to standard bearings. This makes it suitable for applications requiring higher rotational speeds and reduced vibration levels.
The NJ 305 NA P6 ZKL is engineered with robust cylindrical rollers that provide excellent load distribution and minimize friction, resulting in longer service life and reduced maintenance needs. The high-quality steel and advanced heat treatment processes used in manufacturing ensure superior resistance to wear and fatigue.
Key Features and Benefits
- Precision Class P6: Enhanced dimensional and running accuracy for smooth operation.
- Reinforced Inner Ring Flange (NA): Enables the bearing to support axial loads in one direction.
- High Load Capacity: Cylindrical rollers provide excellent radial load handling.
- Durability: Manufactured from premium materials to resist wear and extend service life.
- Versatile Applications: Suitable for electric motors, gearboxes, machine tools, and other industrial machinery.
Applications
The NJ 305 NA P6 ZKL is widely used in industries such as automotive, manufacturing, construction, and energy. Its robust design and precision make it an ideal choice for:
- Electric motors and generators
- Gearboxes and transmissions
- Machine tool spindles
- Industrial machinery with high radial and moderate axial load demands
Choosing the NJ 305 NA P6 ZKL guarantees reliable bearing performance, contributing to reduced downtime and improved efficiency in your equipment.

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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.