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The NTN MEGAOHM Series 7MC3-6311C3 is an insulated ball bearing with a 55mm bore and 120mm outer diameter, designed to prevent electrical currents from damaging machinery. Its outer ring features a ceramic coating, ensuring high electrical resistance over 2000 MΩ.
With a dynamic load rating of 83.0 kN, it handles heavy loads while maintaining smooth operation at speeds up to 11000 RPM. The C3 radial clearance allows for slight misalignment, making it adaptable in various setups.
The ceramic coating provides a breakdown voltage over 3000 V, ideal for electric motors or generators where electrical insulation is crucial. Its sheet metal cage ensures durability and consistent performance.
Weighing 1.34 kg, this bearing is robust yet manageable for industrial applications. It complies with ROHS standards, making it a safe and reliable choice for demanding environments.
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How Is 7MC3-6311C3 Bearing Engineered for Reliability?
7MC3-6311C3 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
This design ensures a breakdown voltage of over 3000 V, making it suitable for high-voltage applications.
The sheet metal cage maintains ball alignment, enhancing smooth operation and reducing wear.
With a basic dynamic load rating of 83.0 kN, it handles heavy loads reliably.
7MC3-6311C3 Bearing operates at speeds up to 11,000 r/min, balancing performance and durability.
Its C3 radial internal clearance allows for thermal expansion in demanding conditions.
The ceramic coating offers electrical resistance exceeding 2000 MΩ, preventing current leakage.
This makes 7MC3-6311C3 Bearing ideal for use in electric motors and generators.
Industrial Uses of 7MC3-6311C3 Bearing
The 7MC3-6311C3 Bearing is commonly used in electric motors and generators, where its ceramic-coated outer ring prevents electrical arcing. This makes it a reliable choice for industries dealing with high-voltage equipment.
In wind turbines, 7MC3-6311C3 Bearing handles both radial and axial loads while resisting electrical damage. Its C3 clearance ensures smooth operation even under varying thermal conditions.
For railway applications, 7MC3-6311C3 Bearing’s insulation properties protect against stray currents in traction motors. The sheet metal cage adds durability, making it suitable for long-term use in harsh environments.
Where Is 7MC3-6311C3 Bearing Used?
You’ll often find 7MC3-6311C3 Bearing in industrial pumps, where its high breakdown voltage prevents electrical corrosion. The 29 mm width fits neatly into compact designs without sacrificing performance.
In HVAC systems, 7MC3-6311C3 Bearing’s insulation helps reduce energy loss in fan motors. Its 120 mm outer diameter provides stability for continuous operation.
Built for Heavy-Duty Use: 7MC3-6311C3 Bearing
The 7MC3-6311C3 Bearing excels in conveyor systems, thanks to its 83.0 kN dynamic load rating. The ceramic coating also extends its lifespan in dusty or humid conditions.
For machining tools, 7MC3-6311C3 Bearing’s high-speed capability (11,000 r/min) ensures precision. The C3 clearance accommodates thermal expansion during prolonged use.
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