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FAG Current-Insulated Bearings 6309-J20AA-C4

FAG Current-Insulated Bearings 6309-J20AA-C4

The FAG 6309-J20AA-C4 is a current-insulated bearing with a 45mm bore and 100mm outer diameter, featuring a ceramic coating on the outer ring. It handles dynamic loads up to 56 kN and spins smoothly at speeds up to 9500 RPM.

Its ceramic coating provides insulation against electrical currents, with a breakdown voltage of up to 3000V. The sheet metal cage ensures durability and reliable performance under various conditions.

With a radial internal clearance of C4, it accommodates thermal expansion in demanding applications. Ideal for use in electric motors or generators where electrical insulation is crucial.

Weighing 0.83kg, it’s a robust yet manageable choice. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Model 6309-J20AA-C4
  • Product Category Current-Insulated Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 45.0 mm
  • Outside Diameter 100.0 mm
  • Width 25.0 mm
  • Net Weight 0.83 kg
  • Basic Dynamic Load Rating 56.0 kN
  • Basic Static Load Rating 31.5 kN
  • Reference Speed 9500 r/min
  • Breakdown Voltage (DC) ≤3000 V
  • Layer Thickness 200 µm
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material Sheet metal
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant
FAG Current-Insulated Bearings 6309-J20AA-C4 dimension drawing
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Features

How Is 6309-J20AA-C4 Bearing Engineered for Reliability?

6309-J20AA-C4 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
Its breakdown voltage of ≤3000 V ensures safe operation in environments with electrical interference.

The sheet metal cage maintains ball alignment, enhancing durability and reducing friction.
With a basic dynamic load rating of 56.0 kN, it handles heavy loads efficiently.

6309-J20AA-C4 Bearing operates smoothly at speeds up to 9500 r/min, balancing performance and longevity.
Its C4 radial internal clearance allows for thermal expansion in high-temperature applications.

Application

Industrial Uses of 6309-J20AA-C4 Bearing
The 6309-J20AA-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 wind turbines, 6309-J20AA-C4 Bearing handles both radial and axial loads while maintaining insulation properties. Its C4 clearance ensures reliable performance under varying thermal conditions.

For railway applications, 6309-J20AA-C4 Bearing’s durability and insulation are key for traction motors. The sheet metal cage provides stability during high-speed operations.

Where Is 6309-J20AA-C4 Bearing Used?
You’ll find 6309-J20AA-C4 Bearing in industrial pumps, where its insulation protects against stray currents. The 200 µm coating thickness ensures long-term reliability.

In conveyor systems, 6309-J20AA-C4 Bearing’s high dynamic load rating supports heavy loads. Its damp electrical resistance of 10MΩ makes it suitable for humid environments.

Built for Heavy-Duty Use: 6309-J20AA-C4 Bearing
The 6309-J20AA-C4 Bearing excels in mining equipment, thanks to its robust design and insulation. The ceramic coating reduces downtime caused by electrical damage.

For food processing machinery, 6309-J20AA-C4 Bearing’s compliance with ROHS ensures safety. Its 9500 r/min speed rating keeps production lines running smoothly.

Automotive vs Aerospace: Applications of 6309-J20AA-C4 Bearing
In automotive alternators, 6309-J20AA-C4 Bearing prevents electrical wear. Its 45 mm bore fits standard shafts, simplifying maintenance.

For aerospace actuators, 6309-J20AA-C4 Bearing’s lightweight design and insulation are crucial. The C4 clearance accommodates thermal expansion during flight.

Q&A

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