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FAG Current-Insulated Bearings 6315-M-J20AB-C3
FAG Current-Insulated Bearings 6315-M-J20AB-C3

FAG Current-Insulated Bearings 6315-M-J20AB-C3

The FAG 6315-M-J20AB-C3 is a current-insulated bearing with a 75mm bore and 160mm outer diameter, designed to prevent electrical damage. Its outer ring features a 100µm ceramic coating, offering high electrical resistance up to 50MΩ when dry.

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 protects against currents up to 500V, making it ideal for electric motors or generators. It’s also compliant with RoHS and REACH standards for safe use in various industries.

Weighing 3.744kg, it’s a robust solution for applications where electrical insulation is crucial. The ceramic coating remains effective even in damp conditions, maintaining 10MΩ resistance.

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Product Parameters

  • Model 6315-M-J20AB-C3
  • Product Category Current-Insulated Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AB
  • 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) ≤500 V
  • Layer Thickness 100 µm
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material Brass cage
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant

Features

How Is 6315-M-J20AB-C3 Bearing Engineered for Reliability?

6315-M-J20AB-C3 Bearing features an outer ring ceramic coating, providing excellent electrical insulation with a breakdown voltage of up to 500 V.
The brass cage ensures smooth operation and reduces friction, even at high speeds of 8,200 r/min.

With a basic dynamic load rating of 123.0 kN, 6315-M-J20AB-C3 Bearing handles heavy loads reliably.
Its C3 radial internal clearance allows for thermal expansion, making it suitable for various operating conditions.

The coating maintains high electrical resistance, with 50MΩ when dry and 10MΩ in damp environments.
This makes 6315-M-J20AB-C3 Bearing ideal for applications where electrical currents could cause damage.

Application

Industrial Uses of 6315-M-J20AB-C3 Bearing
6315-M-J20AB-C3 Bearing is commonly used in electric motors and generators, where its current-insulating coating prevents electrical damage. The brass cage ensures smooth operation even under high rotational speeds.

In wind turbine applications, 6315-M-J20AB-C3 Bearing handles variable loads while maintaining electrical insulation. Its C3 clearance allows for thermal expansion in demanding environments.

For industrial pumps, 6315-M-J20AB-C3 Bearing’s ceramic coating resists electrical arcing, prolonging service life. The 160mm outer diameter provides stable support for heavy-duty operations.

Where Is 6315-M-J20AB-C3 Bearing Used?
You’ll find 6315-M-J20AB-C3 Bearing in railway traction motors, where electrical insulation is critical. Its 75mm bore fits standard shaft sizes in European rolling stock.

The bearing also works well in factory automation systems, particularly in servo motors. The J20AB coating reliably prevents current passage through rotating components.

Built for Heavy-Duty Use: 6315-M-J20AB-C3 Bearing
6315-M-J20AB-C3 Bearing performs reliably in steel mill equipment despite extreme temperatures. Its 123kN dynamic load rating handles continuous operation demands.

The 37mm width provides ample load distribution for mining conveyor systems. Electrical resistance remains stable even in humid conditions.

Automotive vs Aerospace: Applications of 6315-M-J20AB-C3 Bearing
In electric vehicles, 6315-M-J20AB-C3 Bearing prevents stray currents in drive motors. The 8200r/min speed rating suits high-performance applications.

For aircraft ground power units, the bearing’s lightweight design (3.744kg) reduces overall system weight while maintaining insulation properties.

Essential Roles of 6315-M-J20AB-C3 Bearing
6315-M-J20AB-C3 Bearing supports medical imaging equipment where electrical interference must be avoided. The ceramic coating ensures patient safety during scans.

In food processing machinery, the bearing’s brass cage resists corrosion from cleaning agents. Its ROHS compliance meets strict industry standards.

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