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. 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.
A comprehensive and high-performance range
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.
The MEGAOHMTM bearing offers, above all:
- High-performance electrical insulation thanks to a ceramic coating
- Electrical resistance of up to 3000 VDC
- Two ranges available depending on the application: sheet metal cage and brass cage
- Compatibility with standard bearings, facilitating integration
The availability of the MEGAOHMTM range
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.
(https://www.ntn-snr.com/)
More about VAFEM:
VAFEM is devoted to providing high quality ball & roller bearings and related transmission parts for domestic and foreign customers in the Vehicle industry and Industries. Our products used in automotive and truck industry mainly include : wheel bearings, wheel bearing kits, wheel hub bearings, alternator bearings, tensioner bearings, clutch bearings, and gear box bearings etc. Our industrial bearings are mainly used in these fields such as Industrial Automation, Home Appliances, Reducers, Agricultural Machines, Precision Machine Spindles, and Transmission Systems etc. As a high-tech company specializing in bearings, we can not only provide stable and trustworthy quality products for OEM customers, but also provide non-standard bearings based on customers’ special requirements. At the same time, we can provide a series of complete product lines and have our own brand VAFEM, it stands for the abbreviation of value added for every movement, which has been recognized by more and more customers and end users.
VAFEM Hub units are designed to allow rear wheels, especially in passenger cars, to turn on an axle even under heavy loads.
Features:
magnetic, electric, and mechanic ABS
with and without ABS
flange only
Steel Material: GCr15/52100/100Cr6
Steel Type: Forged
Ball Grade: G10
Grease: Shell
2026-08-14