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The NTN MEGAOHM Series 7MC3-6320C3 is an insulated ball bearing with a 100mm bore and 215mm outer diameter, designed for electrical resistance. Its outer ring features a ceramic coating, providing insulation up to 3000V and resistance over 2000 MΩ.
With a dynamic load rating of 182 kN and a static load rating of 140 kN, it handles heavy loads while spinning smoothly at speeds up to 6700 RPM. The C3 radial clearance ensures reliable performance under varying conditions.
The sheet metal cage adds durability, and the 0.2mm coating thickness balances insulation with structural integrity. Weighing 7.08kg, it’s robust yet manageable for its size.
Ideal for electric motors or generators, this bearing prevents electrical damage in high-voltage environments. Compliant with RoHS standards, it’s a safe choice for industrial applications.
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How Is 7MC3-6320C3 Bearing Engineered for Reliability?
7MC3-6320C3 Bearing features an outer ring ceramic coating, providing excellent electrical insulation with a breakdown voltage over 3000 V.
This design prevents electrical arcing, making it ideal for applications with variable frequencies.
The sheet metal cage ensures smooth operation, even at high speeds up to 6700 r/min.
With a basic dynamic load rating of 182.0 kN, it handles heavy loads reliably.
7MC3-6320C3 Bearing’s C3 radial internal clearance allows for thermal expansion, enhancing durability.
Its electrical resistance exceeds 2000 MΩ, ensuring consistent performance in demanding conditions.
The ceramic coating thickness of 0.2 mm offers long-lasting insulation without compromising structural integrity.
This makes 7MC3-6320C3 Bearing a dependable choice for industrial applications.
Industrial Uses of 7MC3-6320C3 Bearing
7MC3-6320C3 Bearing is commonly used in electric motors and generators, where its ceramic coating prevents electrical arcing and extends service life. The high breakdown voltage makes it suitable for environments with frequent electrical surges.
In wind turbines, 7MC3-6320C3 Bearing handles high dynamic loads while maintaining insulation properties. Its C3 clearance ensures reliable performance under varying thermal conditions.
For industrial pumps, 7MC3-6320C3 Bearing’s sheet metal cage provides durability in wet or corrosive environments. The ceramic coating also reduces maintenance needs by preventing current-induced damage.
Where Is 7MC3-6320C3 Bearing Used?
7MC3-6320C3 Bearing is ideal for railway traction motors, where electrical insulation is critical for safety. The high resistance rating ensures consistent operation even in demanding conditions.
In HVAC systems, 7MC3-6320C3 Bearing’s ability to withstand electrical currents makes it a reliable choice for large fans and blowers. The C3 clearance accommodates thermal expansion during prolonged use.
Built for Heavy-Duty Use: 7MC3-6320C3 Bearing
7MC3-6320C3 Bearing excels in mining equipment, where its robust design handles both mechanical and electrical stresses. The ceramic coating provides an extra layer of protection against harsh conditions.
For conveyor systems, 7MC3-6320C3 Bearing’s high dynamic load rating ensures smooth operation under heavy loads. The insulation properties also reduce downtime caused by electrical faults.
Automotive vs Aerospace: Applications of 7MC3-6320C3 Bearing
In electric vehicles, 7MC3-6320C3 Bearing prevents current leakage in motor assemblies, enhancing efficiency. The high-speed capability makes it suitable for regenerative braking systems.
For aerospace applications, 7MC3-6320C3 Bearing’s lightweight design and insulation properties are valuable in auxiliary power units. The ceramic coating ensures reliability in high-altitude conditions.
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