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FAG Current-Insulated Bearings 6315-M-J20AA-C3

FAG Current-Insulated Bearings 6315-M-J20AA-C3

The FAG 6315-M-J20AA-C3 is a current-insulated bearing with a 75mm bore and 160mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating for insulation, with a breakdown voltage of up to 3000V.

This bearing handles dynamic loads up to 123kN and spins smoothly at speeds up to 8200 RPM. The brass cage ensures durability, while the C3 radial clearance allows for thermal expansion in demanding conditions.

The insulating coating provides high electrical resistance, even in damp environments (10MΩ). It’s ideal for electric motors or generators where stray currents could cause damage.

Weighing 3.744kg, it’s robust yet manageable for installation. Compliant with RoHS and REACH standards, it’s a reliable choice for industrial applications.

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Product Parameters

  • Model 6315-M-J20AA-C3
  • Product Category Current-Insulated Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 75.0 mm
  • Outside Diameter 160.0 mm
  • Width 37.0 mm
  • Net Weight 3.744 kg
  • Basic Dynamic Load Rating 123.0 kN
  • Basic Static Load Rating 77.0 kN
  • Reference Speed 8200 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
FAG Current-Insulated Bearings 6315-M-J20AA-C3 dimension drawing
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Features

How Is 6315-M-J20AA-C3 Bearing Engineered for Reliability?

6315-M-J20AA-C3 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.

The brass cage ensures smooth operation and durability, even at high speeds up to 8,200 r/min.
With a basic dynamic load rating of 123.0 kN, it handles heavy loads with ease.

6315-M-J20AA-C3 Bearing’s C3 radial internal clearance allows for thermal expansion in demanding conditions.
Its breakdown voltage of ≤3000 V makes it suitable for various industrial applications.

The coating maintains high electrical resistance, with 50MΩ when dry and 10MΩ in damp conditions.
This ensures reliable performance in different environmental settings.

Application

Industrial Uses of 6315-M-J20AA-C3 Bearing
6315-M-J20AA-C3 Bearing is commonly used in electric motors and generators, where its current-insulating properties prevent damage from stray currents. The ceramic coating on the outer ring ensures reliable performance in high-voltage environments.

Where Is 6315-M-J20AA-C3 Bearing Used?
You’ll often find 6315-M-J20AA-C3 Bearing in wind turbines and industrial drives, where electrical insulation is essential. Its brass cage and C3 clearance make it suitable for applications with thermal expansion.

Optimized for Performance: 6315-M-J20AA-C3 Bearing
6315-M-J20AA-C3 Bearing works well in conveyor systems and pumps, thanks to its high dynamic load rating. The 200 µm insulating layer provides extra protection in damp conditions.

Automotive vs Aerospace: Applications of 6315-M-J20AA-C3 Bearing
In automotive alternators, 6315-M-J20AA-C3 Bearing handles electrical loads efficiently. For aerospace applications, its lightweight design and insulation make it a practical choice.

Perfect Fit for Automation: 6315-M-J20AA-C3 Bearing
6315-M-J20AA-C3 Bearing is ideal for robotic arms and CNC machines, where precision and insulation matter. The 8200 r/min reference speed ensures smooth operation in high-speed setups.

Q&A

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