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FAG Current-Insulated Bearings 6318-M-J20AA-C3
FAG Current-Insulated Bearings 6318-M-J20AA-C3

FAG Current-Insulated Bearings 6318-M-J20AA-C3

The FAG 6318-M-J20AA-C3 is a current-insulated bearing with a 90mm bore and 190mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating, providing insulation up to 3000V.

This model handles dynamic loads up to 142kN and spins smoothly at speeds up to 6300 RPM. The brass cage ensures durability, while the C3 radial clearance allows for thermal expansion.

The ceramic coating offers high electrical resistance, even in damp conditions (10MΩ). It’s ideal for electric motors or generators where stray currents are a concern.

Weighing 6kg, it’s robust yet manageable for industrial use. Compliant with RoHS and REACH standards for safe operation.

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Product Parameters

  • Model 6318-M-J20AA-C3
  • Product Category Current-Insulated Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 90.0 mm
  • Outside Diameter 190.0 mm
  • Width 43.0 mm
  • Net Weight 6 kg
  • Basic Dynamic Load Rating 142.0 kN
  • Basic Static Load Rating 102.0 kN
  • Reference Speed 6300 r/min
  • Breakdown Voltage (DC) ≤3000 V
  • Layer Thickness 200 µm
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material Brass cage
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant

Features

How Is 6318-M-J20AA-C3 Bearing Engineered for Reliability?

6318-M-J20AA-C3 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, enhancing the bearing’s overall performance.

With a basic dynamic load rating of 142.0 kN, 6318-M-J20AA-C3 Bearing handles heavy loads efficiently.
Its C3 radial internal clearance allows for thermal expansion, making it suitable for various operating conditions.

The ceramic coating maintains high electrical resistance, even in damp environments, ensuring reliable insulation.
This design makes 6318-M-J20AA-C3 Bearing ideal for applications where electrical currents could cause damage.

Application

Industrial Uses of 6318-M-J20AA-C3 Bearing
The 6318-M-J20AA-C3 Bearing is commonly used in electric motors and generators, where its current-insulating properties prevent damage from stray currents. Its ceramic-coated outer ring ensures reliable performance in high-voltage environments.

Where Is 6318-M-J20AA-C3 Bearing Used?
You’ll often find 6318-M-J20AA-C3 Bearing in wind turbines and industrial drives, thanks to its ability to handle both dynamic loads and electrical isolation. The brass cage adds durability, making it suitable for long-term use.

Built for Heavy-Duty Use: 6318-M-J20AA-C3 Bearing
With a basic dynamic load rating of 142 kN, 6318-M-J20AA-C3 Bearing excels in heavy machinery like crushers and compressors. Its C3 clearance allows for thermal expansion, ensuring stability under varying temperatures.

Automotive vs Aerospace: Applications of 6318-M-J20AA-C3 Bearing
In automotive applications, 6318-M-J20AA-C3 Bearing supports hybrid vehicle systems, while in aerospace, it’s used in auxiliary power units. The insulating coating protects against electrical arcing in both fields.

Perfect Fit for Automation: 6318-M-J20AA-C3 Bearing
The 6318-M-J20AA-C3 Bearing is ideal for robotic arms and CNC machines, where precision and electrical insulation are key. Its high reference speed of 6300 r/min ensures smooth operation in fast-paced environments.

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