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FAG Current-Insulated Bearings 6309-J20AB-C4

FAG Current-Insulated Bearings 6309-J20AB-C4

The FAG 6309-J20AB-C4 is a current-insulated bearing with a 45mm bore and 100mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating, providing insulation up to 500V DC.

With a dynamic load rating of 56kN and a static load rating of 31.5kN, it handles heavy loads while maintaining smooth operation. The bearing can reach speeds up to 9500 RPM, making it suitable for high-performance applications.

The sheet metal cage ensures durability, and the C4 radial clearance allows for thermal expansion. It weighs just 0.813kg, offering a good balance of strength and lightness.

Ideal for electric motors or generators, this bearing is compliant with RoHS and REACH standards. Its insulation properties make it a reliable choice in environments with electrical currents.

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Product Parameters

  • Model 6309-J20AB-C4
  • Product Category Current-Insulated Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AB
  • Manufacturers FAG
  • Bore Diameter 45.0 mm
  • Outside Diameter 100.0 mm
  • Width 25.0 mm
  • Net Weight 0.813 kg
  • Basic Dynamic Load Rating 56.0 kN
  • Basic Static Load Rating 31.5 kN
  • Reference Speed 9500 r/min
  • Breakdown Voltage (DC) ≤500 V
  • Layer Thickness 100 µm
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material Sheet metal
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant
FAG Current-Insulated Bearings 6309-J20AB-C4 dimension drawing
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Features

How Is 6309-J20AB-C4 Bearing Engineered for Reliability?

6309-J20AB-C4 Bearing features an outer ring ceramic coating, providing excellent electrical insulation.
This design prevents current passage, reducing the risk of damage in electrically active environments.

With a basic dynamic load rating of 56.0 kN, it handles heavy loads while maintaining performance.
The C4 radial internal clearance ensures smooth operation even under varying thermal conditions.

6309-J20AB-C4 Bearing’s sheet metal cage enhances durability and alignment under high-speed rotation.
Its breakdown voltage of ≤500 V makes it suitable for applications requiring electrical insulation.

The bearing’s electrical resistance remains high, even in damp conditions, ensuring consistent performance.
With a reference speed of 9500 r/min, it balances speed and reliability in demanding settings.

Application

Industrial Uses of 6309-J20AB-C4 Bearing
The 6309-J20AB-C4 Bearing is commonly used in electric motors and generators, where its ceramic coating prevents electrical arcing. This makes it ideal for environments with high electrical currents.

In automation systems, 6309-J20AB-C4 Bearing ensures smooth operation in robotic arms and conveyor belts. Its C4 clearance allows for better thermal expansion handling.

For wind turbines, 6309-J20AB-C4 Bearing’s high dynamic load rating supports reliable performance under varying wind loads. The sheet metal cage adds durability in harsh weather conditions.

Where Is 6309-J20AB-C4 Bearing Used?
You’ll find 6309-J20AB-C4 Bearing in medical imaging devices, where its insulation properties prevent interference. The consistent performance is crucial for accurate diagnostics.

Built for Heavy-Duty Use: 6309-J20AB-C4 Bearing
The 6309-J20AB-C4 Bearing handles heavy loads in industrial pumps and compressors. Its ceramic coating also resists wear in high-friction applications.

Automotive vs Aerospace: Applications of 6309-J20AB-C4 Bearing
In automotive systems, 6309-J20AB-C4 Bearing works well in alternators and starters. For aerospace, its lightweight design suits auxiliary power units.

What Makes 6309-J20AB-C4 Bearing a Preferred Choice?
The 6309-J20AB-C4 Bearing’s high breakdown voltage makes it safe for use in high-voltage equipment. Its damp resistance ensures reliability in humid conditions.

Perfect Fit for Automation: 6309-J20AB-C4 Bearing
6309-J20AB-C4 Bearing is often used in CNC machines for its precision and insulation. The C4 clearance accommodates thermal changes during prolonged use.

Q&A

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