NUP 3984 ECMA

NUP 3984 ECMA is a high-precision single-row cylindrical roller bearing engineered to manage formidable radial loads while maintaining stability at elevated operational speeds. Unlike standard configurations, the NUP design features two integral flanges on the outer ring and a unique inner ring setup comprising one fixed flange and one loose flange (thrust collar). This specific geometry allows the bearing to provide , effectively locating the shaft in both directions. With a substantial bore diameter of 420 mm and an outside diameter of 560 mm, this unit is built for heavy-duty industrial integration where structural rigidity and precise shaft alignment are non-negotiable.

, outer ring centered. This robust cage construction is particularly advantageous in demanding environments, offering superior vibration resistance and efficient lubricant distribution compared to standard pressed steel alternatives. The separable nature of the NUP 3984 ECMA simplifies the mounting and dismounting process, allowing for independent installation of the inner and outer rings. Whether utilized in large-scale gearboxes, industrial pumps, or heavy machinery, this bearing delivers a balance of high dynamic load ratings (1,680 kN) and long-term service reliability, ensuring minimal downtime in critical rotating equipment.

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