NN 3026 TN3/SP

The NN 3026 TN3/SP is a high-precision double-row cylindrical roller bearing engineered for applications demanding extreme radial rigidity and superior rotational accuracy. Featuring a TN3 reinforced polyamide 66 cage and a SP (Special Precision) tolerance class, this bearing minimizes friction and heat generation even under high-speed transitions. Its separable design simplifies mounting and dismounting, making it an industry standard for machine tool spindles where dimensional stability and vibration damping are critical for maintaining tight machining tolerances.

Designed with a tapered bore (1:12), the NN 3026 TN3/SP allows for precise internal clearance adjustment during installation, ensuring optimal preload for specific operational requirements. The double-row configuration provides a significantly higher radial load capacity compared to single-row alternatives, while the optimized roller-to-raceway contact geometry reduces edge stress. Whether integrated into heavy-duty milling heads or high-speed grinding spindles, this bearing delivers the reliability needed to extend service intervals and maximize equipment uptime in demanding industrial environments.

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