N 1021 KTN9/SP

Engineered for exceptional rotational accuracy and high-speed performance, the N 1021 KTN9/SP is a super-precision single-row cylindrical roller bearing. Its "N" design signifies that the inner ring is flangeless, allowing the outer ring, roller, and cage assembly to be separated for simplified mounting. The "K" indicates a 1:12 tapered bore, which enables precise adjustment of internal clearance during installation. A key feature is the "TN9" designation, representing a robust and lightweight roller-guided polyamide cage that is well-suited for high-speed operation.

The primary advantage of the N 1021 KTN9/SP lies in its suitability for high-speed, high-precision applications. The super-precision (SP) class ensures extremely tight tolerances for dimensional and running accuracy, minimizing shaft run-out and contributing to superior workpiece finishes. The polyamide cage reduces friction and inertial forces, allowing for higher rotational speeds with less heat generation compared to traditional metal cages. This combination of features results in enhanced operational efficiency, lower running temperatures, and an extended service life for the machine spindle.

This high-performance cylindrical roller bearing is the definitive choice for machine tool applications where speed and precision are critical. It is most frequently used as a floating bearing in high-speed milling machines, lathes, grinding spindles, and live centers. Its ability to accommodate rapid acceleration and high speeds while maintaining exceptional rigidity makes the N 1021 KTN9/SP an essential component for advanced manufacturing systems that demand the utmost in accuracy and reliability.

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