NN3076

The NN3076 is a high-precision, double-row cylindrical roller bearing engineered for applications demanding exceptional radial load capacity and rigidity. Its design features two rows of cylindrical rollers, which provide a large contact area with the raceways, enabling the bearing to support heavy radial forces. Typically available with a tapered bore (suffix K), the NN3076 allows for a precise and secure fit onto the shaft, enhancing the overall stability of the assembly. The separable nature of the inner and outer rings simplifies the mounting and dismounting processes, a key advantage during maintenance and installation.

A standout characteristic of the NN3076 bearing is its robust construction, often incorporating a solid brass cage (suffix M). This machined brass cage provides high strength and superior guidance for the rollers, making the bearing suitable for high-speed operation with reduced friction and heat generation. The NN design, with its two flanges on the outer ring and a flangeless inner ring, accommodates axial displacement of the shaft relative to the housing in both directions. This feature is critical in applications with thermal expansion or where precise axial positioning is managed by other components.

Engineered for precision and durability, the NN3076 finds its primary applications in the main spindles of machine tools, printing machinery, and other equipment where rotational accuracy and high stiffness are paramount. The super-precision variants (suffix SP) offer even tighter tolerances for applications requiring the utmost in running accuracy. The combination of high load-carrying capabilities, operational speed, and the ability to manage axial float makes the NN3076 a reliable choice for demanding industrial environments, ensuring long service life and consistent performance.

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