NJ 240 ECM

The NJ 240 ECM cylindrical roller bearing represents a benchmark in radial load handling, engineered for environments that push mechanical limits. Its design incorporates large-diameter cylindrical rollers that achieve near-line contact with the raceways, maximizing load-carrying capability and significantly extending fatigue life. This single-row roller bearing is characterized by its "NJ" configuration: a dual-flange outer ring and a single-flange inner ring. This specific architecture provides crucial axial location in one direction while accommodating necessary thermal expansion or minor misalignment in the opposite direction. Precision manufactured to strict standards, the critical dimensions of $200\text{ mm}$ bore, $360\text{ mm}$ outside diameter, and $58\text{ mm}$ width ensure a perfect fit for main shaft supports in applications such as industrial fans, pumps, and metal rolling equipment.

Distinguished by the "ECM" designation, this bearing is equipped with a high-strength, machined brass cage, which is internally optimized to guide the rollers with exceptional precision. The enhanced cage design reduces friction and heat generation, allowing the bearing to operate reliably at elevated speeds and under intense vibration. Furthermore, the construction features a separable inner ring, simplifying the logistics of installation and replacement. This ease of assembly is invaluable during maintenance cycles, allowing for quicker bearing component handling without disturbing other machine elements. The combination of high dynamic load ratings and superior internal geometry positions the NJ 240 ECM as a premium choice for improving the efficiency and longevity of critical rotating equipment.

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