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FAG Current-Insulated Bearings 6328-M-J20AA-C4
FAG Current-Insulated Bearings 6328-M-J20AA-C4

FAG Current-Insulated Bearings 6328-M-J20AA-C4

The FAG 6328-M-J20AA-C4 is a current-insulated bearing with a 140mm bore and 300mm outer diameter, designed to handle electrical currents. Its outer ring features a ceramic coating for insulation, preventing damage from stray currents.

With a dynamic load rating of 270kN and a static load rating of 246kN, it supports heavy loads while spinning smoothly up to 3850 RPM. The brass cage ensures durability and reduces friction during operation.

The ceramic coating provides high electrical resistance, up to 50MΩ when dry, and can withstand voltages up to 3000V. This makes it ideal for electric motors or generators where electrical insulation is crucial.

Weighing 21.9kg, it’s robust yet manageable for industrial use. Compliant with RoHS and REACH standards, it’s a reliable choice for applications requiring both mechanical strength and electrical protection.

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Product Parameters

  • Model 6328-M-J20AA-C4
  • Product Category Current-Insulated Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 140.0 mm
  • Outside Diameter 300.0 mm
  • Width 62.0 mm
  • Net Weight 21.9 kg
  • Basic Dynamic Load Rating 270.0 kN
  • Basic Static Load Rating 246.0 kN
  • Reference Speed 3850 r/min
  • Breakdown Voltage (DC) ≤3000 V
  • Layer Thickness 200 µm
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material Brass cage
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant

Features

How Is 6328-M-J20AA-C4 Bearing Engineered for Reliability?

6328-M-J20AA-C4 Bearing features an outer ring ceramic coating, providing excellent electrical insulation with a breakdown voltage of up to 3000 V.
The brass cage ensures smooth operation and reduces friction, even at high speeds of 3850 r/min.
With a basic dynamic load rating of 270 kN, it handles heavy loads reliably in demanding applications.
Its C4 radial internal clearance allows for thermal expansion, making it suitable for varied operating conditions.

What Makes 6328-M-J20AA-C4 Bearing Suitable for High-Temperature Applications?

6328-M-J20AA-C4 Bearing’s ceramic coating maintains performance in high-temperature environments, ensuring consistent electrical resistance.
The brass cage material enhances durability, even under continuous operation at elevated temperatures.
With a layer thickness of 200 µm, the coating provides long-lasting insulation and protection.
Its robust design and high load capacity make it ideal for industrial applications with thermal challenges.

Built for Reliability: 6328-M-J20AA-C4 Bearing

6328-M-J20AA-C4 Bearing is designed with a ceramic-coated outer ring, offering reliable electrical insulation.
The brass cage minimises wear and ensures smooth rotation, even under heavy loads.
Its C4 clearance accommodates thermal expansion, maintaining performance in fluctuating temperatures.
With a static load rating of 246 kN, it delivers dependable service in rigorous conditions.

Steel vs Ceramic Bearings: Strengths of 6328-M-J20AA-C4 Bearing

6328-M-J20AA-C4 Bearing combines the strength of steel with the insulation benefits of a ceramic coating.
The ceramic layer provides high electrical resistance, up to 50MΩ when dry, preventing current damage.
Its brass cage enhances stability and reduces friction, ensuring efficient operation.
With a dynamic load rating of 270 kN, it outperforms standard bearings in electrically demanding environments.

Application

Industrial Uses of 6328-M-J20AA-C4 Bearing
The 6328-M-J20AA-C4 Bearing is commonly used in electric motors and generators, where its ceramic coating prevents electrical arcing. This makes it ideal for industries dealing with high-voltage equipment.

In wind turbines, 6328-M-J20AA-C4 Bearing handles both radial and axial loads efficiently. Its brass cage ensures smooth operation even in harsh weather conditions.

For railway applications, 6328-M-J20AA-C4 Bearing’s high breakdown voltage is crucial for preventing current leakage. The C4 clearance allows for thermal expansion during long-distance runs.

What Makes 6328-M-J20AA-C4 Bearing a Preferred Choice?
In industrial pumps, 6328-M-J20AA-C4 Bearing’s damp resistance ensures reliability in wet environments. Its 3000V breakdown voltage adds an extra layer of safety.

The bearing’s 270 kN dynamic load rating makes it suitable for heavy machinery like crushers. Its ceramic coating also reduces maintenance needs over time.

Built for Heavy-Duty Use: 6328-M-J20AA-C4 Bearing
In steel mills, 6328-M-J20AA-C4 Bearing withstands extreme temperatures and heavy loads. The brass cage provides durability against metal debris.

For mining equipment, this bearing’s C4 clearance accommodates misalignment and vibration. Its 10MΩ damp resistance ensures performance in humid conditions.

Automotive vs Aerospace: Applications of 6328-M-J20AA-C4 Bearing
In electric vehicles, 6328-M-J20AA-C4 Bearing prevents current leakage in high-voltage systems. Its lightweight design helps improve energy efficiency.

For aircraft components, the bearing’s 3850 r/min speed rating ensures reliability. The ceramic coating also resists corrosion from altitude changes.

Q&A

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