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NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6222L1BC3

NTN MEGAOHM Series Insulated Ball Bearings 7MC3-6222L1BC3

The NTN MEGAOHM Series Insulated Ball Bearing (7MC3-6222L1BC3) measures 110mm by 200mm by 38mm, with a ceramic-coated outer ring for electrical insulation. It handles dynamic loads up to 151 kN and spins smoothly at speeds up to 6700 RPM.

The brass cage ensures durability, while the C3 radial clearance allows for thermal expansion in demanding conditions. Its insulating coating provides a breakdown voltage over 3000V and resistance above 2000 MΩ.

Weighing 5.2kg, this bearing is robust yet manageable for its size. Ideal for electric motors or generators where electrical insulation is crucial.

Compliant with RoHS standards, it’s a reliable choice for industrial applications requiring both mechanical performance and electrical safety.

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Product Parameters

  • Model 7MC3-6222L1BC3
  • Product Category NTN MEGAOHM Series Insulated Ball Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix 7MC3
  • Manufacturers NTN
  • Bore Diameter 110 mm
  • Outside Diameter 200 mm
  • Width 38 mm
  • Net Weight 5.2 kg
  • Basic Dynamic Load Rating 151.0 kN
  • Basic Static Load Rating 118.0 kN
  • Reference Speed 6700.0 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 7MC3-6222L1BC3 dimension drawing
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Features

How Is 7MC3-6222L1BC3 Bearing Engineered for Reliability?

7MC3-6222L1BC3 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
The brass cage ensures smooth operation and reduces friction, even at high speeds up to 6,700 rpm.

With a basic dynamic load rating of 151.0 kN, 7MC3-6222L1BC3 Bearing handles heavy loads reliably.
Its breakdown voltage exceeds 3,000 V, making it suitable for applications with electrical interference.

The C3 radial internal clearance allows for thermal expansion, ensuring consistent performance.
7MC3-6222L1BC3 Bearing’s electrical resistance is over 2,000 MΩ, preventing current leakage.

Designed for durability, 7MC3-6222L1BC3 Bearing’s ceramic coating is 0.2 mm thick, offering long-term protection.
Its static load rating of 118.0 kN ensures stability in demanding conditions.

Application

Common Applications of 7MC3-6222L1BC3 Bearing
In industrial settings, 7MC3-6222L1BC3 Bearing is widely used in electric motors and generators, where its ceramic coating prevents electrical arcing. The brass cage ensures smooth operation even under high-speed conditions.
For wind turbine systems, 7MC3-6222L1BC3 Bearing’s high breakdown voltage makes it ideal for handling electrical currents. Its C3 clearance allows for thermal expansion in demanding environments.

How Does 7MC3-6222L1BC3 Bearing Improve Performance?
In railway applications, 7MC3-6222L1BC3 Bearing reduces downtime by resisting electrical damage from traction motors. The ceramic coating also extends service life in harsh weather conditions.
For HVAC systems, 7MC3-6222L1BC3 Bearing’s high electrical resistance ensures reliable performance in variable-speed fans. The 2000 MΩ rating makes it a safe choice for sensitive equipment.

Ideal for Precision: 7MC3-6222L1BC3 Bearing
In medical imaging devices, 7MC3-6222L1BC3 Bearing’s stable operation minimizes vibration for clearer scans. The 38 mm width provides a compact fit without sacrificing load capacity.
For robotics, 7MC3-6222L1BC3 Bearing’s C3 clearance accommodates precise movements. The 151 kN dynamic load rating handles repetitive motions effortlessly.

Automotive vs Aerospace: Applications of 7MC3-6222L1BC3 Bearing
In electric vehicles, 7MC3-6222L1BC3 Bearing prevents current leakage in drivetrains. The 6700 r/min speed rating suits high-performance motors.
For aircraft systems, 7MC3-6222L1BC3 Bearing’s lightweight design (5.2 kg) reduces fuel consumption. The ceramic coating also resists corrosion from altitude changes.

Q&A

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