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NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6310L1BC3

NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6310L1BC3

The NTN MEGAOHM Series 7MC3-6310L1BC3 is an insulated ball bearing with a 50mm bore and 110mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating, providing high electrical resistance over 2000 MΩ.

With a dynamic load rating of 65.0 kN, it handles heavy loads while maintaining smooth rotation up to 13000 RPM. The brass cage ensures durability and stable performance under high-speed conditions.

The C3 radial clearance allows for thermal expansion, making it suitable for variable temperature environments. Its breakdown voltage exceeds 3000V, ideal for electric motors or generators where current leakage is a concern.

Weighing 1.07kg, this RoHS-compliant bearing offers reliable insulation without compromising on strength or speed performance. Perfect for industrial applications requiring both electrical protection and mechanical efficiency.

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Product Parameters

  • Model 7MC3-6310L1BC3
  • Product Category NTN MEGAOHM Series Insulated Ball Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix 7MC3
  • Manufacturers NTN
  • Bore Diameter 50 mm
  • Outside Diameter 110 mm
  • Width 27 mm
  • Net Weight 1.07 kg
  • Basic Dynamic Load Rating 65.0 kN
  • Basic Static Load Rating 38.0 kN
  • Reference Speed 13000 r/min
  • Breakdown Voltage (DC) ＞3000 V
  • Layer Thickness 0.2 mm
  • Electrical Resistance ＞2000 MΩ
  • Cage Material Brass cage
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant
NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6310L1BC3 dimension drawing
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Features

How Is 7MC3-6310L1BC3 Bearing Engineered for Reliability?

7MC3-6310L1BC3 Bearing features an outer ring ceramic coating, providing excellent electrical insulation with a breakdown voltage exceeding 3000 V.
Its brass cage ensures smooth operation and reduces friction, even at high speeds up to 13,000 r/min.
The C3 radial internal clearance allows for thermal expansion, making it suitable for various operating conditions.
With a basic dynamic load rating of 65.0 kN, it delivers reliable performance under heavy loads.

Application

Industrial Uses of 7MC3-6310L1BC3 Bearing
The 7MC3-6310L1BC3 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.

In wind turbines, 7MC3-6310L1BC3 Bearing handles high rotational speeds while maintaining insulation properties. Its brass cage ensures durability in harsh outdoor conditions.

For railway applications, 7MC3-6310L1BC3 Bearing supports traction motors, where electrical insulation is critical. The C3 clearance allows for thermal expansion during long-distance travel.

What Makes 7MC3-6310L1BC3 Bearing a Preferred Choice?
7MC3-6310L1BC3 Bearing is favoured in medical imaging devices due to its reliable insulation and smooth operation. The ceramic coating ensures no interference with sensitive electronic components.

In industrial automation, 7MC3-6310L1BC3 Bearing is used in robotic arms, where precision and electrical safety are paramount. Its high dynamic load rating supports repetitive movements effortlessly.

Built for Heavy-Duty Use: 7MC3-6310L1BC3 Bearing
7MC3-6310L1BC3 Bearing excels in steel mills, where extreme temperatures and electrical currents are common. The ceramic outer ring coating provides long-lasting protection against electrical damage.

For HVAC systems, 7MC3-6310L1BC3 Bearing ensures quiet and efficient fan operation. Its high breakdown voltage makes it safe for use in commercial buildings.

Automotive vs Aerospace: Applications of 7MC3-6310L1BC3 Bearing
In electric vehicles, 7MC3-6310L1BC3 Bearing is used in traction motors, offering insulation against high voltages. Its lightweight design also contributes to energy efficiency.

For aircraft systems, 7MC3-6310L1BC3 Bearing supports auxiliary power units, where reliability and electrical safety are non-negotiable. The high reference speed ensures consistent performance at altitude.

Q&A

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