NUP 317 ECM

The NUP 317 ECM stands out as a high-performance solution for rotating equipment that demands both rigid radial support and bidirectional axial displacement control. With its 85mm x 180mm x 41mm dimensions, this cylindrical roller bearing is designed with a NUP configuration, featuring two fixed ribs on the outer ring and a combination of a fixed rib and a loose flange on the inner ring. This specific architecture enables the bearing to act as a locating unit, securing the shaft's position against thrust loads from both sides. The "EC" internal design further optimizes roller-to-flange contact, effectively minimizing friction and allowing for cooler operating temperatures during continuous high-speed cycles.

Equipped with a robust machined brass cage (M), the NUP 317 ECM is purpose-built to handle vibration and high inertial forces that often cause steel-caged bearings to fail. This roller-centered cage design, paired with the premium steel quality of the SKF Explorer series, ensures a high dynamic load capacity of 340 kN. It is particularly effective in applications like large electric motors and industrial gearboxes, where the 4,800 r/min limiting speed and separable components facilitate quick assembly and streamlined maintenance. By maintaining a superior lubricant film across its precision-ground raceways, this unit significantly reduces the risk of premature wear, even in environments with fluctuating loads.

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