NU 2217 ECM

The NU 2217 ECM is a high-performance single row cylindrical roller bearing engineered to handle heavy radial loads in demanding industrial environments. Designed with an optimized internal geometry ("EC" suffix), this bearing features a reinforced roller complement that significantly increases load-carrying capacity while reducing friction during operation. Its NU design-characterized by two integral flanges on the outer ring and a flange-free inner ring-allows for axial displacement of the shaft relative to the housing in both directions. This thermal expansion capability makes it an ideal choice for shafts subjected to varying temperatures, ensuring reliable operation in electric motors, pumps, and gearboxes without inducing internal stress.

Built for durability and ease of maintenance, this model comes equipped with a robust machined brass cage ("M" suffix) that provides superior resistance to vibration and wear compared to standard pressed steel cages, especially at higher speeds. The separable component design simplifies the mounting and dismounting process, as the inner ring can be installed independently of the outer ring and roller assembly. With a bore diameter of 85mm and an outer diameter of 150mm, the NU 2217 ECM delivers precision performance and extended service life, minimizing downtime in critical machinery like crushers, wind turbines, and heavy-duty conveyor systems.

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