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The NTN MEGAOHM Series 7MC3-6228C3 is an insulated ball bearing with a 140mm bore and 250mm outer diameter, designed to prevent electrical currents from damaging machinery. Its outer ring features a ceramic coating, providing high electrical resistance over 2000 MΩ.
This bearing handles dynamic loads up to 174 kN and operates smoothly at speeds up to 5300 RPM. The C3 radial clearance allows for thermal expansion, making it suitable for variable temperature conditions.
The sheet metal cage ensures durability, while the 0.2mm insulating layer can withstand voltages over 3000V. Weighing 7.52kg, it’s robust yet manageable for industrial use.
Ideal for electric motors, generators, or any equipment where electrical insulation is crucial. Compliant with ROHS standards for environmental safety.
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How Is 7MC3-6228C3 Bearing Engineered for Reliability?
7MC3-6228C3 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
The breakdown voltage exceeds 3000 V, making it suitable for high-voltage environments.
With a dynamic load rating of 174.0 kN, 7MC3-6228C3 Bearing handles heavy loads efficiently.
Its reference speed of 5300 r/min ensures smooth operation in high-speed applications.
The sheet metal cage maintains ball alignment, reducing friction and wear.
7MC3-6228C3 Bearing’s C3 radial internal clearance accommodates thermal expansion, enhancing durability.
Industrial Uses of 7MC3-6228C3 Bearing
The 7MC3-6228C3 Bearing is commonly used in electric motors and generators, where its ceramic-coated outer ring prevents electrical arcing. This makes it ideal for high-voltage environments, ensuring long-term reliability.
Where Is 7MC3-6228C3 Bearing Used?
You’ll often find the 7MC3-6228C3 Bearing in wind turbines, where its insulation properties protect against stray currents. Its C3 clearance also handles thermal expansion well in fluctuating temperatures.
Built for Heavy-Duty Use: 7MC3-6228C3 Bearing
In industrial pumps and compressors, the 7MC3-6228C3 Bearing’s high dynamic load rating ensures smooth operation under heavy loads. The sheet metal cage adds durability for continuous use.
Automotive vs Aerospace: Applications of 7MC3-6228C3 Bearing
While the 7MC3-6228C3 Bearing suits hybrid vehicle drivetrains, its insulation also benefits aerospace actuators. The breakdown voltage over 3000V makes it versatile for both fields.
Perfect Fit for Automation: 7MC3-6228C3 Bearing
Robotic arms and CNC machines benefit from the 7MC3-6228C3 Bearing’s precision and electrical resistance. Its 5300 r/min speed rating keeps high-speed operations running smoothly.
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