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The NTN MEGAOHM Series 7MC3-6218C3 is an insulated ball bearing with a 90mm bore and 160mm outer diameter, designed to handle electrical resistance. Its outer ring features a ceramic coating for insulation, preventing electrical current damage.
This bearing supports dynamic loads up to 101 kN and static loads of 73.5 kN, with a reference speed of 8500 RPM. The C3 radial clearance ensures smooth operation under varying temperatures and loads.
The ceramic coating provides a breakdown voltage over 3000V and electrical resistance exceeding 2000 MΩ, ideal for electric motors or generators. Its sheet metal cage offers durability and stability.
Weighing 2.142kg, it’s a robust choice for industrial applications where electrical insulation is crucial. Compliant with RoHS standards, it’s both reliable and environmentally friendly.
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How Is 7MC3-6218C3 Bearing Engineered for Reliability?
7MC3-6218C3 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
Its breakdown voltage exceeds 3000 V, making it ideal for applications with electrical interference.
The sheet metal cage ensures smooth operation, even at high speeds up to 8500 r/min.
With a dynamic load rating of 101.0 kN, it handles heavy loads reliably.
7MC3-6218C3 Bearing’s C3 radial internal clearance allows for thermal expansion in demanding conditions.
The ceramic coating also offers high electrical resistance, exceeding 2000 MΩ.
This bearing is designed for longevity, with a static load rating of 73.5 kN.
Its robust construction ensures consistent performance in industrial environments.
Industrial Uses of 7MC3-6218C3 Bearing
7MC3-6218C3 Bearing is commonly used in electric motors and generators, where its ceramic coating prevents electrical arcing. This makes it ideal for industries relying on high-voltage equipment.
The bearing’s C3 clearance ensures reliable performance in applications with thermal expansion, such as industrial fans. Its sheet metal cage provides durability in high-speed environments.
How Does 7MC3-6218C3 Bearing Improve Performance?
7MC3-6218C3 Bearing reduces downtime in wind turbines by withstanding electrical currents that damage standard bearings. The breakdown voltage of over 3000V offers added protection.
Its dynamic load rating of 101.0 kN ensures longevity in heavy machinery. The ceramic coating also minimises wear, even in demanding conditions.
Perfect Fit for Automation: 7MC3-6218C3 Bearing
7MC3-6218C3 Bearing works well in robotic arms, where electrical insulation is crucial. The high electrical resistance prevents current leakage.
The 8500 r/min reference speed suits precision automation tasks. Its lightweight design also reduces overall system load.
Medical vs Industrial: Where 7MC3-6218C3 Bearing Excels
In medical imaging devices, 7MC3-6218C3 Bearing ensures smooth operation without interference from electrical noise. The ceramic coating adds an extra layer of safety.
For industrial pumps, its static load rating of 73.5 kN handles constant pressure. The ROHS compliance makes it suitable for eco-conscious projects.
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