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The NTN MEGAOHM Series 7MC3-6216C3 is an insulated ball bearing with an 80mm bore and 140mm outer diameter, designed to handle electrical currents. Its outer ring features a ceramic coating, providing high electrical resistance over 2000 MΩ.
With a dynamic load rating of 130 kN, it supports heavy loads while maintaining smooth rotation up to 8500 RPM. The C3 radial clearance ensures reliable performance under varying temperatures.
The ceramic coating prevents electrical arcing, making it ideal for electric motors or generators. Its sheet metal cage adds durability without compromising speed.
Weighing 1.386kg, this RoHS-compliant bearing suits industrial applications where electrical insulation is crucial. The 0.2mm coating thickness ensures long-term protection against current leakage.
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How Is 7MC3-6216C3 Bearing Engineered for Reliability?
7MC3-6216C3 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
With a breakdown voltage exceeding 3000 V, it ensures reliable operation in electrically charged environments.
The sheet metal cage maintains ball alignment, enhancing durability and reducing friction.
Its C3 radial internal clearance allows for optimal performance under varying thermal conditions.
7MC3-6216C3 Bearing supports dynamic loads up to 130.0 kN, making it suitable for demanding applications.
The reference speed of 8500 r/min ensures efficient operation in high-speed scenarios.
Industrial Uses of 7MC3-6216C3 Bearing
The 7MC3-6216C3 Bearing is commonly used in industrial motors and generators, where its ceramic coating prevents electrical arcing. This makes it ideal for environments with high voltage fluctuations.
In wind turbines, the 7MC3-6216C3 Bearing handles high radial loads while maintaining electrical insulation. Its C3 clearance ensures reliable performance even under thermal expansion.
For railway applications, this bearing supports traction motors, where its durability and insulation are key. The sheet metal cage adds stability during high-speed operations.
Where Is 7MC3-6216C3 Bearing Used?
You’ll often find the 7MC3-6216C3 Bearing in electric vehicle drivetrains, where it manages both mechanical and electrical demands. Its high breakdown voltage ensures safety in hybrid systems.
In HVAC systems, this bearing reduces downtime by resisting electrical corrosion. The 140 mm outer diameter fits standard industrial fan designs perfectly.
Built for Heavy-Duty Use: 7MC3-6216C3 Bearing
The 7MC3-6216C3 Bearing excels in steel mill equipment, where heat and electrical interference are common. Its 130 kN dynamic load rating handles intense operational stress.
For pump systems, this bearing’s insulation prevents damage from stray currents. The 26 mm width provides a compact yet robust solution for tight spaces.
Automotive vs Aerospace: Applications of 7MC3-6216C3 Bearing
In automotive alternators, the 7MC3-6216C3 Bearing ensures reliable performance under constant electrical loads. Its ceramic coating outperforms standard bearings in hybrid engines.
For aerospace actuators, this bearing’s lightweight design and insulation meet strict safety standards. The 8500 r/min speed rating suits high-performance aviation systems.
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