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Electrically Insulated Ball Bearings 6328M/C4VL2071
Electrically Insulated Ball Bearings 6328M/C4VL2071

Electrically Insulated Ball Bearings 6328M/C4VL2071

The 6328M/C4VL2071 is an electrically insulated ball bearing with a 140mm bore and 300mm outer diameter, designed to handle both dynamic and static loads efficiently. Its inner ring features a special insulation coating, preventing electrical currents from damaging the bearing.

With a dynamic load rating of 265 kN and a static load rating of 245 kN, it’s built for demanding applications. The bearing can reach speeds up to 4800 RPM, making it suitable for high-performance machinery.

The brass cage ensures smooth operation, while the C4 radial clearance allows for thermal expansion. Its insulation can withstand voltages from 1000 to 3000 V, with a resistance of 50-200 MΩ.

Ideal for electric motors or generators, this bearing prevents electrical arcing and extends equipment life. Compliant with RoHS and REACH standards, it’s a reliable choice for industrial use. Weighing 21.3kg, it’s sturdy yet manageable for its size.

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Product Parameters

  • Model 6328M/C4VL2071
  • Product Category Electrically Insulated Ball Bearings
  • Coating Suffix VL2071
  • Insulating Coating Types Inner ring insulation coating
  • Manufacturers TFL
  • Bore Diameter 140.0 mm
  • Outside Diameter 300.0 mm
  • Width 62.0 mm
  • Net Weight 21.3kg
  • Basic Dynamic Load Rating 265.0 kN
  • Basic Static Load Rating 245.0 kN
  • Reference Speed 4800.0 r/min
  • Breakdown Voltage (DC) 1000 ~3000 V
  • Layer Thickness 100~500 µm
  • Electrical Resistance 50~200 MΩ
  • Cage Material Brass cage
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant

Features

Why Choose 6328M/C4VL2071 Bearing for Precision Tasks?

6328M/C4VL2071 Bearing features an inner ring insulation coating, preventing electrical current passage and reducing damage risks.
Its breakdown voltage ranges from 1000 to 3000 V, making it suitable for high-voltage applications.

The brass cage ensures smooth operation, even at high speeds up to 4800 r/min.
With a dynamic load rating of 265 kN, 6328M/C4VL2071 Bearing handles heavy loads reliably.

The C4 radial internal clearance allows for thermal expansion, maintaining performance in varying temperatures.
Its electrical resistance of 50-200 MΩ ensures consistent insulation over time.

Application

Industrial Uses of 6328M/C4VL2071 Bearing
6328M/C4VL2071 Bearing is commonly used in electric motors and generators, where its insulating coating prevents electrical arcing and extends component life. The brass cage adds durability, making it suitable for high-speed industrial applications.

Where Is 6328M/C4VL2071 Bearing Used?
In wind turbines, 6328M/C4VL2071 Bearing handles high dynamic loads while its insulation protects against stray currents. The C4 clearance ensures smooth operation even under thermal expansion.

Built for Heavy-Duty Use: 6328M/C4VL2071 Bearing
6328M/C4VL2071 Bearing excels in railway traction systems, where its high breakdown voltage safeguards against electrical damage. The robust design copes well with vibrations and variable loads.

Medical vs Industrial: Where 6328M/C4VL2071 Bearing Excels
While 6328M/C4VL2071 Bearing isn’t typically used in medical devices, it’s ideal for industrial MRI cooling systems due to its non-magnetic properties. The coating resists corrosion in humid environments.

Automotive vs Aerospace: Applications of 6328M/C4VL2071 Bearing
In hybrid vehicles, 6328M/C4VL2071 Bearing manages electrical isolation in drivetrains, while aerospace applications benefit from its lightweight yet sturdy construction. The wide temperature range adds versatility.

Q&A

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