Product Overview: The NU 319 Cylindrical Roller Bearing
The NU 319 Cylindrical Roller Bearing is a high-capacity, single-row bearing engineered to withstand heavy radial loads at high speeds. With principal dimensions of 95mm Bore Diameter, 200mm Outer Diameter, and 45mm Thickness, this bearing is a robust component in our NU 300 Series. The 'NU' designation signifies that the outer ring has two integral flanges, while the inner ring is flangeless. This unique design allows for axial displacement of the shaft relative to the housing in both directions, making it ideal for use as a non-locating bearing to accommodate thermal expansion or contraction of the shaft.
As a key part of our Cylindrical Roller Bearings collection, the NU 319 is manufactured to precise standards from high-purity, hardened bearing steel. Its line contact between the rollers and raceways provides superior radial stiffness and load-carrying capacity compared to ball bearings of the same size. This makes it a preferred choice for demanding industrial applications requiring durability and reliable performance.
Key Features of the NU 319 Bearing
- High Radial Load Capacity: The line contact between rollers and raceways allows it to support heavy radial forces.
- Axial Displacement Accommodation: The flangeless inner ring design permits axial movement, compensating for shaft expansion and mounting inaccuracies.
- Separable Design: The inner ring can be mounted independently of the outer ring and roller assembly, simplifying installation, inspection, and maintenance procedures.
- High-Speed Performance: Engineered with an optimized internal geometry and cage design to operate effectively at high rotational speeds with low friction.
- Enhanced Rigidity: Provides excellent stiffness and stability for rotating shafts under significant radial load.
- Durable Construction: Made from premium-grade bearing steel for exceptional wear resistance and a long operational lifespan.
Common Applications of NU 319 Bearings
- Industrial Gearboxes: Provides robust support for gears and shafts, handling the high radial forces common in gear systems.
- Large Electric Motors: Used as non-locating bearings to support motor shafts and accommodate thermal expansion.
- Pumps and Compressors: Ensures reliable rotation of shafts in heavy-duty fluid and gas handling equipment.
- Construction and Mining Equipment: Ideal for machinery like crushers, vibrating screens, and conveyors that operate under harsh conditions.
- Rolling Mills: Withstands the extreme loads and high temperatures found in metal forming and processing machinery.
- Machine Tool Spindles: Offers the rigidity required for precision cutting and grinding operations.
- Wind Turbines: Utilized in gearbox and main shaft applications to manage heavy, dynamic loads.
Benefits of Using the NU 319 Bearing
- Increased Machine Reliability: Its ability to handle heavy loads and axial displacement reduces stress on other components, preventing premature failures.
- Simplified Assembly and Maintenance: The separable nature of the bearing makes it easy to install and dismount, reducing downtime.
- Extended Service Life: High-quality materials and a low-friction design minimize wear, leading to longer-lasting performance.
- Improved Operational Efficiency: The design minimizes friction and heat generation, contributing to energy savings and smoother operation.
- Versatile Use in Demanding Environments: Performs reliably in a wide range of heavy industrial applications.
- Cost-Effective Solution: Its durability and low maintenance requirements result in a lower total cost of ownership over the machine's lifecycle.
