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The NTN MEGAOHM Series 7MC3-6215C3 is an insulated ball bearing with a 75mm bore and 130mm outer diameter, designed to prevent electrical arcing. Its outer ring features a ceramic coating, providing high electrical resistance over 2000 MΩ.
With a dynamic load rating of 68.9 kN, it handles heavy loads while maintaining smooth rotation up to 10,000 RPM. The C3 radial clearance ensures reliable performance under varying temperatures.
The ceramic insulation can withstand voltages above 3000V, making it ideal for electric motors or generators. Its sheet metal cage offers durability in demanding conditions.
Weighing 1.16kg, this RoHS-compliant bearing suits applications where electrical insulation is critical, such as wind turbines or industrial machinery.
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How Is 7MC3-6215C3 Bearing Engineered for Reliability?
7MC3-6215C3 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 applications.
With a dynamic load rating of 68.9 kN, 7MC3-6215C3 Bearing handles heavy loads efficiently.
Its C3 radial internal clearance ensures smooth operation even under varying thermal conditions.
The sheet metal cage maintains ball alignment, reducing friction and wear.
7MC3-6215C3 Bearing’s reference speed of 10,000 r/min makes it ideal for high-speed machinery.
The ceramic coating offers an electrical resistance of over 2000 MΩ, preventing current leakage.
This design ensures long-term reliability in electrically demanding environments.
Industrial Uses of 7MC3-6215C3 Bearing
The 7MC3-6215C3 Bearing is commonly used in electric motors and generators, where its ceramic-coated outer ring prevents electrical arcing. This makes it ideal for industries relying on high-voltage equipment, such as power plants and renewable energy systems.
Where Is 7MC3-6215C3 Bearing Used?
You’ll often find the 7MC3-6215C3 Bearing in wind turbines, where its insulation properties protect against stray currents. Its C3 clearance also handles thermal expansion well, ensuring reliable performance in fluctuating temperatures.
Built for Heavy-Duty Use: 7MC3-6215C3 Bearing
The 7MC3-6215C3 Bearing excels in industrial gearboxes, thanks to its high dynamic load rating of 68.9 kN. The sheet metal cage adds durability, making it suitable for harsh operating conditions.
Automotive vs Aerospace: Applications of 7MC3-6215C3 Bearing
In automotive applications, the 7MC3-6215C3 Bearing is used in hybrid vehicle motors, where insulation is critical. For aerospace, its lightweight design and high-speed capability make it a fit for auxiliary power units.
Essential Roles of 7MC3-6215C3 Bearing
The 7MC3-6215C3 Bearing is a go-to for conveyor systems in mining, where its breakdown voltage of over 3000 V ensures safety. Its robust construction also minimises downtime in continuous operation scenarios.
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