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NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6314C3

NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6314C3

The NTN MEGAOHM Series 7MC3-6314C3 is an insulated ball bearing with a 70mm bore and 150mm outer diameter, designed to handle electrical resistance. Its outer ring features a ceramic coating, providing insulation up to 3000V.

With a dynamic load rating of 66.0 kN and a static load rating of 44.0 kN, it offers reliable performance under heavy loads. The bearing can reach speeds up to 10000 r/min, making it suitable for high-speed applications.

The ceramic coating ensures minimal electrical conductivity, with resistance exceeding 2000 MΩ. Its C3 radial internal clearance allows for slight misalignment and thermal expansion.

Ideal for electric motors and generators, this bearing prevents electrical arcing and extends equipment life. It’s ROHS compliant and weighs 2.569 kg, balancing durability with manageable size.

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Product Parameters

  • Model 7MC3-6314C3
  • Product Category NTN MEGAOHM Series Insulated Ball Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix 7MC3
  • Manufacturers NTN
  • Bore Diameter 70 mm
  • Outside Diameter 150 mm
  • Width 35 mm
  • Net Weight 2.569 kg
  • Basic Dynamic Load Rating 66.0 kN
  • Basic Static Load Rating 44.0 kN
  • Reference Speed 10000 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
NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6314C3 dimension drawing
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Features

How Is 7MC3-6314C3 Bearing Engineered for Reliability?

7MC3-6314C3 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, enhancing durability under dynamic loads up to 66.0 kN.
Its C3 radial internal clearance allows for thermal expansion, making it suitable for varying operating conditions.

7MC3-6314C3 Bearing’s reference speed of 10,000 r/min ensures efficient performance in high-speed applications.
The ceramic coating also offers resistance to wear, extending the bearing’s service life.

Application

Industrial Uses of 7MC3-6314C3 Bearing
The 7MC3-6314C3 Bearing is commonly used in industrial motors and generators, where its ceramic-coated outer ring prevents electrical arcing. This makes it ideal for environments with variable frequency drives or high electrical currents.

Where Is 7MC3-6314C3 Bearing Used?
You’ll often find the 7MC3-6314C3 Bearing in wind turbines, where its insulation properties protect against stray currents. Its C3 clearance also handles thermal expansion well in demanding conditions.

Built for Heavy-Duty Use: 7MC3-6314C3 Bearing
The 7MC3-6314C3 Bearing works well in conveyor systems, thanks to its high dynamic load rating. The sheet metal cage ensures durability even in dusty or humid environments.

Medical vs Industrial: Where 7MC3-6314C3 Bearing Excels
While not typically used in medical devices, the 7MC3-6314C3 Bearing shines in industrial pumps and compressors. Its breakdown voltage rating makes it safe for electrically noisy settings.

How Does 7MC3-6314C3 Bearing Improve Performance?
In CNC machinery, the 7MC3-6314C3 Bearing reduces downtime by preventing electrical pitting. The ceramic coating also helps maintain smooth operation at high speeds.

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