Product Overview: The NK 2520 Needle Roller Bearing
The NK 2520 is a high-performance machined ring needle roller bearing, designed for applications that demand high radial load capacity within a minimal space. With core dimensions of 25x37x20mm (Bore x Outer Diameter x Thickness), this bearing is a key component in our NK Series. A distinguishing feature of the NK 2520 is that it is supplied without an inner ring, which allows for a more compact and space-saving design by using a hardened and ground shaft as the direct raceway. This makes it an excellent choice for arrangements where the shaft can be suitably prepared, maximizing rigidity and minimizing components. Part of our extensive Needle Roller Bearings collection, this component is engineered for reliability and precision in demanding industrial environments.
Key Features of the NK 2520 Bearing
- High Radial Load Capacity: Utilizes needle rollers to support heavy radial loads, outperforming ball bearings of similar size.
- Compact and Space-Saving: The low cross-sectional height is ideal for applications with limited radial space.
- No Inner Ring Design: The shaft serves as the inner raceway, which allows for a larger, more rigid shaft or a smaller housing bore.
- Machined Outer Ring: Features a robust, channel-shaped outer ring that provides high rigidity and guidance for the roller set.
- Precision Cage: A steel cage accurately guides the needle rollers, ensuring uniform load distribution and reducing friction for high-speed operation.
- Durable Construction: Manufactured from high-quality bearing steel to ensure longevity and consistent performance under challenging conditions.
Common Applications
- Automotive Transmissions: Used in gear sets, clutches, and planetary gear systems where space is at a premium.
- Industrial Gearboxes: Provides reliable support for gear shafts, handling high torque and speeds.
- Two-Stroke Engines: Ideal for connecting rod and piston pin applications due to its high load capacity and compact size.
- Power Tools: Essential in drills, sanders, and other handheld equipment requiring robust, compact bearings.
- Agricultural Machinery: Employed in various components like balers, combines, and tractors that operate under heavy loads.
- Pumps and Compressors: Ensures smooth and efficient operation of rotating shafts in fluid and air handling systems.
- Textile and Printing Machinery: Provides precise rotational support for rollers and shafts in complex machinery.
Benefits of Using the NK 2520 Bearing
- Optimized Space Utilization: Its design without an inner ring allows for more compact and lightweight machinery.
- Enhanced Rigidity: Using a hardened shaft as the raceway contributes to a stiffer and more precise bearing arrangement.
- Improved Operational Efficiency: The low-friction design minimizes energy loss and heat generation, leading to smoother performance.
- Cost-Effective Solution: Eliminates the cost of a separate inner ring, simplifying the bill of materials and assembly process.
- Extended Service Life: High-quality materials and precise manufacturing reduce wear and extend the operational life of the machinery.
- Versatile Performance: Suitable for a broad spectrum of applications, from automotive to heavy industrial equipment.
