Product Overview: The NU 2211 Cylindrical Roller Bearing
The NU 2211 is a high-performance single-row cylindrical roller bearing with principal dimensions of 55x100x25mm. As a key component in our Cylindrical Roller Bearings range, it belongs to the versatile NU 2200 Series. The 'NU' designation signifies a design with two integral flanges on the outer ring and a smooth, flangeless inner ring. This configuration allows the bearing to accommodate axial displacement of the shaft relative to the housing in both directions, making it an excellent choice for non-locating bearing positions, especially where thermal expansion of the shaft is a factor.
Engineered to support heavy radial loads at high rotational speeds, the NU 2211 is manufactured from premium-grade bearing steel for maximum durability and service life. Its separable design, where the inner ring can be mounted independently of the outer ring and roller assembly, greatly simplifies installation and maintenance procedures. This bearing is a reliable solution for a wide array of demanding industrial applications.
Features of the NU 2211 Bearing
- High Radial Load Capacity: The line contact between the cylindrical rollers and raceways provides excellent capacity for heavy radial loads.
- Separable Inner Ring: The inner ring is separable, facilitating easier mounting and dismounting, which simplifies assembly and maintenance.
- Axial Displacement: The NU design allows for free axial movement of the shaft relative to the housing, accommodating thermal expansion or mounting inaccuracies.
- High-Speed Performance: Engineered with low-friction characteristics, making it suitable for applications involving high rotational speeds.
- Robust Construction: Manufactured from high-quality, clean bearing steel to ensure long-term reliability and resistance to wear.
- Interchangeability: Produced to strict industry standards, ensuring dimensional and running accuracy for easy replacement.
Common Applications
- Industrial Gearboxes: Provides robust support for gears and shafts, handling the high radial forces common in gear systems.
- Electric Motors: Used as non-locating bearings on motor shafts to support radial loads while allowing for thermal expansion.
- Pumps and Compressors: Ensures reliable rotation of shafts in various types of industrial pumps and compressors.
- Construction Machinery: Employed in heavy equipment like excavators and cranes where durability is critical.
- Rolling Mills: Withstands the extreme loads and high speeds found in steel and metal processing equipment.
- Vibrating Screens and Crushers: Ideal for machinery in mining and aggregate industries due to its high load-carrying capacity.
- Machine Tool Spindles: Offers the precision and rigidity required for high-accuracy machining operations.
Benefits of Using the NU 2211 Bearing
- Enhanced Machine Uptime: The robust design and high load capacity lead to fewer failures and increased operational reliability.
- Simplified Installation and Maintenance: The separable components make the bearing easy to install, inspect, and replace, reducing downtime.
- Extended Service Life: High-quality materials and precision manufacturing minimize wear and extend the bearing's operational lifespan.
- Improved Performance under Thermal Changes: Effectively accommodates shaft expansion and contraction, preventing stress and premature failure.
- High Operational Efficiency: The low-friction design contributes to reduced energy consumption and smoother machinery operation.
