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Expansion of the MEGAOHM? range: the insulated bearing that protects electric motors

Time:07 Aug,2026
<p style="text-align: center;"><img src="/ueditor/php/upload/image/20260807/1786086800373774.png" title="1786086800373774.png" alt="1.png"/></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">The use of variable frequency drives on electric motors is the cause of numerous failures, linked to the flow of high-frequency currents inside the bearing. These eddy currents can cause premature damage to components and compromise the reliability of the equipment.&nbsp; To address this issue, NTN has developed the MEGAOHMTM range, a range of insulated bearings designed to effectively protect electric motors against the effects of eddy currents.</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">A comprehensive and high-performance range</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">NTN is expanding its MEGAOHMTM range to meet an even wider range of requirements. This expansion involves the addition of bearings fitted with a sheet-metal cage, suitable for small motors. These complement the brass-cage version, which is intended for larger motors.&nbsp;&nbsp;</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">&nbsp;The MEGAOHMTM bearing offers, above all:&nbsp;&nbsp;</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">- High-performance electrical insulation thanks to a ceramic coating&nbsp;&nbsp;</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">- Electrical resistance of up to 3000 VDC&nbsp;&nbsp;</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">- Two ranges available depending on the application: sheet metal cage and brass cage&nbsp;&nbsp;</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">- Compatibility with standard bearings, facilitating integration</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">The availability of the MEGAOHMTM range&nbsp;</span></p><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14px;">The availability of the range across all standard part numbers is a real advantage for coil winders and electric motor maintenance professionals, who often need to get hold of the right part quickly to ensure repairs are carried out as promptly as possible.</span></p>

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