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FAG Current-Insulated Single Row Cylindrical Roller Bearing NU420-XL-M1-F1-J20AA-C4

FAG Current-Insulated Single Row Cylindrical Roller Bearing NU420-XL-M1-F1-J20AA-C4

The NU420-XL-M1-F1-J20AA-C4 is a current-insulated cylindrical roller bearing with a 100mm bore and 250mm outer diameter, designed to block electrical currents. Its outer ring features a ceramic coating, providing insulation up to 1000V.

This bearing handles dynamic loads up to 550 kN and static loads up to 530 kN, making it suitable for heavy-duty applications. It operates smoothly at speeds up to 2950 RPM.

The brass cage ensures durability, while the C4 radial clearance allows for thermal expansion in demanding conditions. It’s compliant with RoHS and REACH standards for environmental safety.

Ideal for electric motors or generators where current leakage is a concern, this bearing offers reliable performance in damp or dry environments. Weighing 15.5kg, it’s robust yet manageable for industrial use.

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Product Parameters

  • Model NU420-XL-M1-F1-J20AA-C4
  • Product Category Current-Insulated Cylindrical Roller Bearing Single Row
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 100.0 mm
  • Outside Diameter 250.0 mm
  • Width 58.0 mm
  • Net Weight 15.5 kg
  • Basic Dynamic Load Rating 550 kN
  • Basic Static Load Rating 530 kN
  • Reference Speed 2950r/min
  • Breakdown Voltage (DC) ≤1000v
  • Layer Thic kNess 200 um
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material M - Brass Cage
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant
FAG Current-Insulated Single Row Cylindrical Roller Bearing NU420-XL-M1-F1-J20AA-C4 dimension drawing
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Features

How Does NU420-XL-M1-F1-J20AA-C4 Bearing Resist Electrical Current?

NU420-XL-M1-F1-J20AA-C4 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
The coating offers a breakdown voltage of up to 1000V, ensuring reliable performance in electrically charged environments.

With a brass cage, NU420-XL-M1-F1-J20AA-C4 Bearing maintains stability and reduces wear during high-speed operations.
Its dynamic load rating of 550 kN makes it suitable for heavy-duty applications.

The bearing’s electrical resistance remains high, even in damp conditions, ensuring consistent insulation.
This design minimises the risk of electrical damage, extending the bearing’s service life.

NU420-XL-M1-F1-J20AA-C4 Bearing’s C4 radial clearance allows for thermal expansion under varying operating conditions.
Its robust construction ensures durability while maintaining precision in demanding environments.

Application

Industrial Uses of NU420-XL-M1-F1-J20AA-C4 Bearing
NU420-XL-M1-F1-J20AA-C4 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 radial loads.

What Makes NU420-XL-M1-F1-J20AA-C4 Bearing a Preferred Choice?
In wind turbines, NU420-XL-M1-F1-J20AA-C4 Bearing handles variable loads efficiently, thanks to its ceramic-coated outer ring. Its C4 clearance allows for thermal expansion in demanding environments.

Perfect Fit for Automation: NU420-XL-M1-F1-J20AA-C4 Bearing
NU420-XL-M1-F1-J20AA-C4 Bearing works well in robotic arms, providing reliable performance with minimal maintenance. The high dynamic load rating makes it suitable for continuous operation.

Medical vs Industrial: Where NU420-XL-M1-F1-J20AA-C4 Bearing Excels
NU420-XL-M1-F1-J20AA-C4 Bearing is ideal for industrial pumps but can also be found in medical imaging equipment. Its damp-resistant electrical insulation ensures consistent performance in humid conditions.

Where Is NU420-XL-M1-F1-J20AA-C4 Bearing Used?
NU420-XL-M1-F1-J20AA-C4 Bearing is often installed in conveyor systems, where its high static load rating supports heavy materials. The ceramic coating also reduces wear over time.

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