NU 2311 ECML

The NU 2311 ECML single-row cylindrical roller bearing is engineered for demanding applications, delivering robust performance under heavy radial loads and high operating speeds. Its defining "NU" design features two integral flanges on the outer ring but none on the inner ring. This crucial configuration allows the shaft to experience axial displacement relative to the housing in both directions, making it a non-locating bearing ideal for setups where thermal expansion is a factor. Furthermore, the bearing's separable components facilitate streamlined mounting and maintenance. The "E" designation signifies an enhanced, high-capacity design, while the "CML" often indicates a machined brass cage (M) for superior durability and high-speed stability, combined with typical normal (CN) radial internal clearance.

Measuring 55 mm in bore diameter (d), 120 mm in outside diameter (D), and 43 mm in width (B), the NU 2311 ECML offers an excellent balance of size and load capacity. With impressive basic dynamic and static load ratings of approximately 232 kN, this bearing is built to last, often designated within high-performance classes such as SKF Explorer. The use of cylindrical rollers ensures optimal line contact with the raceways, guaranteeing high stiffness and minimal friction. This makes the NU 2311 ECML a prime choice across diverse industries, including heavy industrial machinery, gearboxes, pumps, and power generation, where reliable, high-speed rotational motion is paramount.

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