Product Overview: The NA 4906 Machined Ring Needle Roller Bearing
The NA 4906 is a high-precision machined ring needle roller bearing, designed with an inner ring for applications where the shaft cannot be hardened and ground. With compact dimensions of 30x47x17mm (Bore x Outer Diameter x Thickness), this bearing is an excellent solution for arrangements requiring high radial load capacity within a minimal space. As part of our extensive NA Series, it belongs to the family of Machined Ring Bearings, which are known for their high rigidity and operational accuracy. These bearings are indispensable components in a wide array of demanding industrial and automotive applications, offering reliability and a long service life. Explore our complete range of Needle Roller Bearings to find the perfect component for your machinery.
Key Features of the NA 4906 Bearing
- High Radial Load Capacity: Its design, featuring a full complement of needle rollers, allows it to support heavy radial loads.
- Compact and Space-Saving: The low cross-sectional height makes it ideal for applications with limited radial space.
- Includes Inner Ring: Comes with a precision-ground inner ring, allowing it to be used on shafts that are not hardened.
- High Rigidity: The machined outer ring provides excellent stability and rigidity under load, ensuring running accuracy.
- Caged Roller Design: The needle rollers are guided by a cage, making it suitable for higher rotational speeds compared to full complement designs.
- Durable Construction: Manufactured from high-quality, through-hardened bearing steel for enhanced durability and resistance to wear.
Common Applications for NA 4906 Bearings
- Automotive Transmissions: Used in gearboxes, clutches, and driveshafts where space is at a premium but load capacity is critical.
- Industrial Gearboxes: Provides robust support for gears and shafts in various industrial reduction units.
- Two-Stroke Engines: Commonly found in connecting rods and crankshafts due to their high performance and compact size.
- Power Tools: Ideal for use in drills, saws, and sanders that experience high speeds and radial forces.
- Pumps and Compressors: Ensures reliable operation of rotating components in hydraulic pumps and industrial compressors.
- Textile and Printing Machinery: Supports rollers and shafts, providing the precision needed for consistent operation.
- Construction Equipment: Employed in pivot pins and other moving parts in heavy machinery.
Benefits of Using the NA 4906 Bearing
- Enhanced Design Flexibility: The inclusion of an inner ring eliminates the need for expensive shaft hardening and finishing, simplifying design and reducing costs.
- Improved Machine Performance: The bearing's high rigidity and running accuracy contribute to smoother, more precise machine operation.
- Extended Service Life: Low friction and robust construction minimize wear, leading to longer operational life and reduced downtime.
- Optimal for High Speeds: The cage assembly ensures proper roller guidance, enabling reliable performance at higher rotational speeds.
- Reduced Maintenance: High-quality materials and manufacturing ensure long-term reliability, decreasing the frequency of maintenance and replacement.
- Efficient Space Utilization: Its small radial footprint allows designers to create more compact and lightweight machinery without sacrificing performance.
