How to specify an insulated cylindrical roller bearing for an electric motor: NU, NJ, or NUP design, coated ring, suffix, rating, and mounting checks.
Download the 2026 TFL Product Catalog to see specifications for our insulated deep groove ball bearings and cylindrical roller bearings, featuring advanced plasma spray coating technology.
Is your “insulated” bearing just a piece of painted steel? This guide reveals the critical differences between cheap spray paint and real plasma ceramic, teaching you 4 simple methods to spot counterfeit insulated bearings before they destroy your equipment.
This guide outlines the critical steps for OEM engineers to correctly specify electrically insulated bearings during the design phase, ensuring long-term motor reliability in VFD and high-voltage applications by preventing electrical discharge damage.
This comprehensive guide details the critical criteria for selecting reliable motor bearings in demanding environments, covering load analysis, speed ratings, advanced materials like ceramics, and best practices for lubrication and maintenance.
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