NU420-XL-M1

The NU420-XL-M1 is a high-performance single row cylindrical roller bearing, engineered by FAG (Schaeffler) to handle heavy radial loads with exceptional precision. This specific model features an X-life design, which significantly extends the service life and increases the basic dynamic load rating to approximately 550 kN. With a standard bore diameter of 100 mm, an outside diameter of 250 mm, and a width of 58 mm, it is built for robust industrial applications. The "NU" configuration designates two fixed ribs on the outer ring and a smooth, ribless inner ring, allowing the shaft to displace axially in both directions relative to the housing-making it an ideal non-locating bearing solution.

Durability is at the core of the NU420-XL-M1's construction, featuring a machined brass cage (M1) that is roller-guided for superior stability under vibration or high-speed operations. This heavy-duty cage ensures optimal lubricant distribution and reduces friction, allowing the bearing to reach a limiting speed of up to 5,000 1/min. Whether you are dealing with large electric motors, heavy gearboxes, or precision pumps, the NU420-XL-M1-M1 provides the necessary radial stiffness and thermal stability. Its P6 running accuracy and CN internal clearance make it a reliable choice for engineers seeking to minimize downtime and maximize the operational efficiency of their rotating equipment.

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