NU 219 ECM

The NU 219 ECM is a high-capacity, single-row cylindrical roller bearing engineered for heavy radial loads and high-speed industrial environments. Featuring a 95mm bore, 170mm OD, and 32mm width, this specific "NU" design is characterized by two integral flanges on the outer ring and a flangeless inner ring. This configuration is critical for modern machinery as it allows for axial displacement of the shaft in both directions, effectively managing thermal expansion without compromising mechanical integrity. The "ECM" suffix signifies an optimized internal geometry paired with a machined brass cage, which ensures superior roller guidance and reduced friction even during rapid acceleration or peak load conditions.

Built to the rigorous SKF Explorer or equivalent precision standards, the NU 219 ECM excels in applications where reliability is non-negotiable, such as in large electric motors, gearboxes, and heavy-duty pumps. Its separable design simplifies the mounting and dismounting process, making it a favorite for maintenance teams looking to minimize downtime. With a dynamic load rating of 255 kN and a limiting speed of approximately 4800 r/min, this bearing provides a robust solution for maintaining system stability. Whether used in mining equipment or machine tool spindles, the combination of its logarithmic roller profile and premium steel construction ensures a long service life and high resistance to edge stresses.

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