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The NTN MEGAOHM Series 7MC3-6318C3 is an insulated ball bearing with a 90mm bore and 190mm outer diameter, designed to handle electrical currents. Its outer ring features a ceramic coating, providing high insulation with a breakdown voltage over 3000V.
With a dynamic load rating of 151kN and a static load rating of 108kN, it supports heavy loads while maintaining smooth operation. The bearing can reach speeds up to 7500 RPM, making it suitable for high-performance applications.
The ceramic coating ensures electrical resistance over 2000 MΩ, preventing current leakage. Its C3 radial internal clearance allows for thermal expansion, ideal for variable temperature conditions.
Weighing 4.9kg, this bearing is robust yet manageable. It’s perfect for electric motors or generators where electrical insulation is crucial. Compliant with ROHS standards for environmental safety.
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How Is 7MC3-6318C3 Bearing Engineered for Reliability?
7MC3-6318C3 Bearing features an outer ring ceramic coating, providing excellent insulation with a breakdown voltage over 3000 V.
This design ensures reliable performance in electrically demanding environments.
The sheet metal cage maintains ball alignment, enhancing durability under high dynamic loads of 151.0 kN.
With a reference speed of 7500 r/min, it balances efficiency and stability.
7MC3-6318C3 Bearing’s C3 radial internal clearance allows for thermal expansion, ensuring consistent operation.
Its electrical resistance exceeds 2000 MΩ, making it ideal for applications requiring insulation.
The ceramic coating thickness of 0.2 mm offers robust protection without compromising performance.
This bearing is designed for long-term reliability in challenging conditions.
Industrial Uses of 7MC3-6318C3 Bearing
The 7MC3-6318C3 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, 7MC3-6318C3 Bearing handles heavy loads while maintaining electrical insulation. Its C3 clearance allows for thermal expansion, making it suitable for variable operating conditions.
For industrial pumps, 7MC3-6318C3 Bearing’s high dynamic load rating ensures smooth operation even under continuous use. The sheet metal cage adds durability, reducing maintenance needs.
Where Is 7MC3-6318C3 Bearing Used?
You’ll often find 7MC3-6318C3 Bearing in railway traction systems, where electrical insulation is critical. Its breakdown voltage of over 3000V makes it a safe choice for these applications.
In CNC machinery, 7MC3-6318C3 Bearing supports high-speed spindles without risk of electrical damage. The ceramic coating also helps dissipate heat, extending bearing life.
Built for Heavy-Duty Use: 7MC3-6318C3 Bearing
The 7MC3-6318C3 Bearing excels in mining equipment, where dust and moisture are common. Its insulated design prevents corrosion from stray currents, ensuring consistent performance.
For food processing machinery, 7MC3-6318C3 Bearing’s robust construction handles frequent washdowns. The ceramic coating resists chemical exposure, making it a hygienic option.
Automotive vs Aerospace: Applications of 7MC3-6318C3 Bearing
In hybrid vehicles, 7MC3-6318C3 Bearing manages electrical loads in traction motors. Its high-speed capability aligns well with automotive efficiency demands.
For aircraft systems, 7MC3-6318C3 Bearing’s lightweight design and insulation properties are valuable. It ensures reliable performance in avionics and auxiliary power units.
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