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NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6230C3
NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6230C3

NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6230C3

The NTN MEGAOHM Series 7MC3-6230C3 is an insulated ball bearing with a 150mm bore and 270mm outer diameter, designed for heavy-duty use. Its ceramic-coated outer ring provides excellent electrical insulation, with a breakdown voltage over 3000V.

With a dynamic load rating of 186kN, it handles high loads while maintaining smooth operation at speeds up to 5000 RPM. The C3 radial clearance ensures reliable performance under varying temperatures.

The sheet metal cage offers durability, and the 0.2mm insulating layer prevents electrical current damage. It weighs 9.94kg, making it sturdy yet manageable for industrial applications.

Ideal for electric motors or generators where electrical insulation is crucial, this bearing is RoHS compliant for safe use. Its high resistance (over 2000 MΩ) ensures long-term reliability in demanding environments.

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Product Parameters

  • Model 7MC3-6230C3
  • Product Category NTN MEGAOHM Series Insulated Ball Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix 7MC3
  • Manufacturers NTN
  • Bore Diameter 150 mm
  • Outside Diameter 270 mm
  • Width 45 mm
  • Net Weight 9.94 kg
  • Basic Dynamic Load Rating 186.0 kN
  • Basic Static Load Rating 166.0 kN
  • Reference Speed 5000.0 r/min
  • Breakdown Voltage (DC) >3000 V
  • Layer Thickness 0.2 mm
  • Electrical Resistance >2000 MΩ
  • Cage Material Sheet metal
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant

Features

How Is 7MC3-6230C3 Bearing Engineered for Reliability?

7MC3-6230C3 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, contributing to smooth and efficient performance.
Its C3 radial internal clearance allows for thermal expansion, making it suitable for various industrial applications.

What Makes 7MC3-6230C3 Bearing Suitable for High-Temperature Applications?

7MC3-6230C3 Bearing’s ceramic coating not only insulates but also withstands high temperatures.
The bearing can handle a reference speed of 5000 r/min, ensuring reliable performance under stress.
With a basic dynamic load rating of 186.0 kN, it is built to endure heavy-duty operations.
Its electrical resistance of over 2000 MΩ prevents current passage, enhancing safety and longevity.

Designed for Durability: 7MC3-6230C3 Bearing

7MC3-6230C3 Bearing’s robust construction includes a 0.2 mm thick ceramic coating for added protection.
The bearing’s static load rating of 166.0 kN ensures stability even under extreme conditions.
Its dimensions (150 mm x 270 mm x 45 mm) make it suitable for a variety of industrial machinery.
The net weight of 9.94 kg reflects its sturdy build, designed for long-term use.

Application

Industrial Uses of 7MC3-6230C3 Bearing
The 7MC3-6230C3 Bearing is commonly used in electric motors and generators, where its ceramic-coated outer ring prevents electrical arcing. This makes it ideal for industries with high-voltage equipment, ensuring long-term reliability.

In wind turbine systems, 7MC3-6230C3 Bearing handles high dynamic loads while maintaining insulation properties. Its C3 clearance allows for thermal expansion, making it suitable for variable-speed applications.

For railway traction motors, 7MC3-6230C3 Bearing’s breakdown voltage of over 3000V ensures safe operation in electrified environments. The sheet metal cage provides durability under constant vibration and heavy loads.

Where Is 7MC3-6230C3 Bearing Used?
You’ll find 7MC3-6230C3 Bearing in industrial pumps, where its insulation properties protect against stray currents. The 45mm width offers stability in high-speed rotations, reducing maintenance needs.

In CNC machinery, 7MC3-6230C3 Bearing supports spindle units with precision, thanks to its C3 radial clearance. The ceramic coating also resists wear, extending service life in demanding conditions.

Built for Heavy-Duty Use: 7MC3-6230C3 Bearing
The 7MC3-6230C3 Bearing excels in steel mill equipment, handling both radial and axial loads effortlessly. Its 186kN dynamic load rating ensures performance under extreme industrial stress.

For mining conveyors, 7MC3-6230C3 Bearing’s insulation prevents damage from electrical discharges. The 270mm outer diameter provides ample surface area for heat dissipation during continuous operation.

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