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FAG Current-Insulated Bearings 6322-M-J20AA-C4
FAG Current-Insulated Bearings 6322-M-J20AA-C4

FAG Current-Insulated Bearings 6322-M-J20AA-C4

The FAG 6322-M-J20AA-C4 is a current-insulated bearing with a 110mm bore and 240mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating for insulation, handling up to 3000V breakdown voltage.

With a dynamic load rating of 201kN, it supports heavy loads while maintaining smooth rotation up to 4950 RPM. The brass cage ensures durability and reliable performance under stress.

The coating provides high electrical resistance (50MΩ dry, 10MΩ damp), ideal for electric motors or generators. Its C4 radial clearance offers flexibility in high-temperature or high-speed applications.

Compliant with RoHS and REACH standards, this 11.23kg bearing suits industrial machinery where electrical insulation is critical. The 200µm ceramic layer ensures long-term protection against current leakage.

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Product Parameters

  • Model 6322-M-J20AA-C4
  • Product Category Current-Insulated Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 110.0 mm
  • Outside Diameter 240.0 mm
  • Width 50.0 mm
  • Net Weight 11.23 kg
  • Basic Dynamic Load Rating 201.0 kN
  • Basic Static Load Rating 165.0 kN
  • Reference Speed 4950 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 6322-M-J20AA-C4 Bearing Engineered for Reliability?

6322-M-J20AA-C4 Bearing features an outer ring ceramic coating, providing excellent electrical insulation.
Its breakdown voltage of up to 3000 V makes it suitable for applications with electrical currents.
The brass cage ensures smooth operation and reduces friction, even at high speeds.
With a dynamic load rating of 201 kN, it handles heavy loads reliably.

Why Choose 6322-M-J20AA-C4 Bearing for Precision Tasks?

6322-M-J20AA-C4 Bearing offers a radial internal clearance of C4, ensuring precise performance.
The ceramic coating provides high electrical resistance, even in damp conditions.
Its reference speed of 4950 r/min allows for efficient operation in high-speed applications.
The robust brass cage enhances durability and reduces maintenance needs.

Built for Reliability: 6322-M-J20AA-C4 Bearing

6322-M-J20AA-C4 Bearing is designed with a 200 µm ceramic coating for long-lasting insulation.
The static load rating of 165 kN ensures stability in demanding environments.
Its compact design, with dimensions of 110.0 mm x 240.0 mm x 50.0 mm, fits various applications.
The brass cage minimises wear, extending the bearing’s service life.

Steel vs Ceramic Bearings: Strengths of 6322-M-J20AA-C4 Bearing

6322-M-J20AA-C4 Bearing combines ceramic insulation with steel strength for versatile performance.
The coating provides 50MΩ resistance when dry, ensuring reliable insulation.
Its high dynamic load capacity makes it suitable for heavy industrial use.
The C4 clearance allows for thermal expansion, maintaining performance under varying conditions.

Application

Industrial Uses of 6322-M-J20AA-C4 Bearing
6322-M-J20AA-C4 Bearing is commonly used in electric motors and generators, where its current-insulating properties prevent electrical damage. The ceramic coating on the outer ring ensures reliable performance in high-voltage environments.

In wind turbine applications, 6322-M-J20AA-C4 Bearing handles both radial and axial loads while resisting electrical erosion. Its brass cage adds durability, making it suitable for long-term use in harsh conditions.

For industrial pumps and compressors, 6322-M-J20AA-C4 Bearing’s C4 clearance accommodates thermal expansion during operation. The high breakdown voltage rating makes it a safe choice for electrically demanding setups.

Where Is 6322-M-J20AA-C4 Bearing Used?
You’ll often find 6322-M-J20AA-C4 Bearing in railway traction motors, where electrical insulation is critical. Its robust design handles the vibrations and loads typical in rail applications.

The bearing also works well in marine propulsion systems, thanks to its resistance to damp conditions. The 10MΩ electrical resistance in damp environments ensures consistent performance.

Built for Heavy-Duty Use: 6322-M-J20AA-C4 Bearing
6322-M-J20AA-C4 Bearing excels in steel mill equipment, where high temperatures and heavy loads are common. The ceramic coating prevents current passage, reducing wear from electrical arcing.

In mining machinery, this bearing’s C4 clearance and brass cage withstand gritty conditions. Its 201 kN dynamic load rating ensures it can handle demanding operational stresses.

Automotive vs Aerospace: Applications of 6322-M-J20AA-C4 Bearing
In automotive electric vehicles, 6322-M-J20AA-C4 Bearing protects drivetrains from stray currents. Its compact design fits well in tight engine compartments.

For aerospace ground power units, the bearing’s high-speed capability (4950 r/min) and insulation make it reliable. The 50 mm width provides stability under varying loads.

Q&A

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