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FAG Current-Insulated Single Row Cylindrical Roller Bearing NU319-E-M1-J20AA-C3

FAG Current-Insulated Single Row Cylindrical Roller Bearing NU319-E-M1-J20AA-C3

The FAG NU319-E-M1-J20AA-C3 is a current-insulated cylindrical roller bearing with a 95mm bore and 200mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating, providing insulation up to 1000V DC.

With a dynamic load rating of 390 kN and a static load rating of 380 kN, it handles heavy loads efficiently. The brass cage ensures smooth operation at speeds up to 3550 rpm.

The C3 radial clearance allows for thermal expansion, making it suitable for high-temperature environments. It weighs 7.13 kg and complies with RoHS and REACH standards.

Ideal for electric motors and generators, this bearing prevents current-induced damage while maintaining reliable performance in damp or dry conditions.

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Product Parameters

  • Model NU319-E-M1-J20AA-C3
  • Product Category Current-Insulated Cylindrical Roller Bearing Single Row
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 95.0 mm
  • Outside Diameter 200.0 mm
  • Width 45.0 mm
  • Net Weight 7.13 kg
  • Basic Dynamic Load Rating 390 kN
  • Basic Static Load Rating 380 kN
  • Reference Speed 3550r/min
  • Breakdown Voltage (DC) ≤1000v
  • Layer Thic kNess 200 um
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material M - Brass Cage
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant
FAG Current-Insulated Single Row Cylindrical Roller Bearing NU319-E-M1-J20AA-C3 dimension drawing
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Features

How Is NU319-E-M1-J20AA-C3 Bearing Engineered for Reliability?

NU319-E-M1-J20AA-C3 Bearing features a ceramic-coated outer ring, providing excellent electrical insulation.
This design prevents current damage, making it ideal for applications with electrical currents.
The brass cage ensures smooth operation and reduces friction, even at high speeds.
With a dynamic load rating of 390 kN, it handles heavy loads reliably.

What Makes NU319-E-M1-J20AA-C3 Bearing Suitable for High-Temperature Applications?

NU319-E-M1-J20AA-C3 Bearing’s ceramic coating withstands high temperatures, maintaining performance in tough conditions.
Its brass cage enhances durability, ensuring long service life under heavy loads.
The bearing’s C3 radial clearance allows for thermal expansion, preventing seizing.
With a reference speed of 3550 r/min, it delivers consistent performance.

Built for Reliability: NU319-E-M1-J20AA-C3 Bearing

NU319-E-M1-J20AA-C3 Bearing’s ceramic insulation resists electrical damage, extending its lifespan.
The brass cage minimises wear, ensuring smooth operation in demanding environments.
Its high dynamic load rating of 390 kN makes it suitable for heavy-duty applications.
The bearing complies with ROHS and REACH standards, ensuring environmental safety.

Steel vs Ceramic Bearings: Strengths of NU319-E-M1-J20AA-C3 Bearing

NU319-E-M1-J20AA-C3 Bearing’s ceramic coating offers superior electrical insulation compared to standard steel bearings.
The brass cage provides better heat resistance and durability than plastic alternatives.
With a breakdown voltage of ≤1000V, it prevents electrical arcing in sensitive applications.
Its C3 clearance ensures reliable performance under varying thermal conditions.

Application

Industrial Uses of NU319-E-M1-J20AA-C3 Bearing
NU319-E-M1-J20AA-C3 Bearing is commonly used in electric motors and generators, where its current-insulating coating prevents electrical arcing. The brass cage ensures smooth operation even under high rotational speeds.

What Makes NU319-E-M1-J20AA-C3 Bearing a Preferred Choice?
In wind turbines, NU319-E-M1-J20AA-C3 Bearing handles heavy radial loads while its ceramic coating protects against stray currents. The C3 clearance allows for thermal expansion in demanding environments.

Built for Heavy-Duty Use: NU319-E-M1-J20AA-C3 Bearing
NU319-E-M1-J20AA-C3 Bearing excels in industrial gearboxes, where its high dynamic load rating ensures long service life. The damp-resistant insulation maintains performance even in humid conditions.

Automotive vs Aerospace: Applications of NU319-E-M1-J20AA-C3 Bearing
In automotive drivetrains, NU319-E-M1-J20AA-C3 Bearing supports shafts with precision, while in aerospace, its lightweight design and insulation suit auxiliary power units. The 200μm coating provides reliable electrical isolation.

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