The NTN MEGAOHM Series 7MC3-6330C3 is an insulated ball bearing with a 150mm bore and 320mm outer diameter, designed for heavy-duty applications. Its outer ring features a ceramic coating, providing excellent electrical insulation.
This bearing handles dynamic loads up to 286 kN and static loads up to 285 kN, with a reference speed of 4300 RPM. The ceramic coating offers a breakdown voltage over 3000V and electrical resistance exceeding 2000 MΩ.
The C3 radial clearance allows for thermal expansion, while the sheet metal cage ensures durability. It weighs 23kg, making it sturdy yet manageable for industrial use.
Ideal for electric motors or generators where electrical currents could damage standard bearings. Compliant with ROHS standards for environmental safety.
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How Is 7MC3-6330C3 Bearing Engineered for Reliability?
7MC3-6330C3 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
With a breakdown voltage exceeding 3000 V, it ensures safe operation in high-voltage environments.
The sheet metal cage maintains ball alignment, enhancing durability under heavy loads.
Its basic dynamic load rating of 286.0 kN makes it suitable for demanding industrial applications.
7MC3-6330C3 Bearing’s C3 radial internal clearance allows for thermal expansion, ensuring consistent performance.
The reference speed of 4300 r/min ensures efficient operation in high-speed scenarios.
With an electrical resistance over 2000 MΩ, it effectively prevents electrical arcing and damage.
The 0.2 mm insulating layer thickness balances insulation and mechanical strength.
Industrial Uses of 7MC3-6330C3 Bearing
The 7MC3-6330C3 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.
In wind turbine applications, 7MC3-6330C3 Bearing handles heavy loads while maintaining electrical insulation. Its C3 clearance allows for thermal expansion, making it suitable for variable operating conditions.
Where Is 7MC3-6330C3 Bearing Used?
You’ll often find 7MC3-6330C3 Bearing in industrial pumps and compressors, where its insulation properties protect against stray currents. The sheet metal cage adds durability, even in demanding settings.
For railway traction systems, 7MC3-6330C3 Bearing offers stable performance under high speeds. Its breakdown voltage rating ensures safety in electrically noisy environments.
Built for Heavy-Duty Use: 7MC3-6330C3 Bearing
The 7MC3-6330C3 Bearing excels in steel mill equipment, where its high dynamic load rating handles intense stress. The ceramic coating also resists corrosion in harsh conditions.
In mining machinery, 7MC3-6330C3 Bearing’s robust design ensures reliable operation. Its wide temperature range makes it adaptable to both hot and cold environments.
Automotive vs Aerospace: Applications of 7MC3-6330C3 Bearing
In automotive hybrid systems, 7MC3-6330C3 Bearing prevents electrical damage to drivetrain components. Its lightweight design doesn’t compromise on strength.
For aerospace ground support equipment, 7MC3-6330C3 Bearing’s high-speed capability and insulation are key. It meets strict safety standards while reducing maintenance needs.
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