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FAG Current-Insulated Single Row Cylindrical Roller Bearing NU1038-XL-M1-J20AA

FAG Current-Insulated Single Row Cylindrical Roller Bearing NU1038-XL-M1-J20AA

The FAG NU1038-XL-M1-J20AA is a current-insulated cylindrical roller bearing with a 190mm bore and 290mm outer diameter, designed for heavy-duty applications. Its outer ring features a ceramic coating to prevent electrical damage, making it ideal for environments with stray currents.

With a dynamic load rating of 435 kN and a static load rating of 550 kN, it handles high radial loads efficiently. The brass cage ensures smooth operation at speeds up to 2410 rpm, even in demanding conditions.

The ceramic coating provides excellent insulation, with a breakdown voltage of up to 1000V and high electrical resistance. This makes it suitable for use in electric motors or generators where electrical currents could cause damage.

Weighing 11.2 kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for industrial machinery requiring both durability and electrical insulation.

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Product Parameters

  • Model NU1038-XL-M1-J20AA
  • Product Category Current-Insulated Cylindrical Roller Bearing Single Row
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 190.0 mm
  • Outside Diameter 290.0 mm
  • Width 46.0 mm
  • Net Weight 11.2 kg
  • Basic Dynamic Load Rating 435 kN
  • Basic Static Load Rating 550 kN
  • Reference Speed 2410r/min
  • Breakdown Voltage (DC) ≤1000v
  • Layer Thic kNess 200 um
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material M - Brass Cage
  • Radial Internal Clearance Cn Normal Internal Play
  • ROHS Compliant
  • REACH Compliant
FAG Current-Insulated Single Row Cylindrical Roller Bearing NU1038-XL-M1-J20AA dimension drawing
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Features

How Does NU1038-XL-M1-J20AA Bearing Resist Electrical Currents?

NU1038-XL-M1-J20AA Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
The coating offers a breakdown voltage of up to 1000V, making it suitable for applications with electrical interference.

Its brass cage ensures smooth operation and durability under high dynamic loads.
With a basic dynamic load rating of 435 kN, NU1038-XL-M1-J20AA Bearing handles heavy radial loads efficiently.

The bearing maintains performance in damp conditions, with an electrical resistance of 10MΩ.
Its normal internal play (Cn) ensures reliable operation without excessive friction.

NU1038-XL-M1-J20AA Bearing’s design reduces the risk of electrical damage, extending its service life.
The ceramic coating also resists wear, making it a practical choice for demanding environments.

Application

Industrial Uses of NU1038-XL-M1-J20AA Bearing
NU1038-XL-M1-J20AA Bearing is commonly used in electric motors and generators, where its current-insulating coating prevents electrical arcing damage. The brass cage design ensures smooth rotation even under high radial loads.

What Makes NU1038-XL-M1-J20AA Bearing a Preferred Choice?
In wind turbine applications, NU1038-XL-M1-J20AA Bearing handles variable loads while its ceramic coating protects against stray currents. Its normal internal clearance balances precision and thermal expansion needs.

Built for Heavy-Duty Use: NU1038-XL-M1-J20AA Bearing
For industrial gearboxes, NU1038-XL-M1-J20AA Bearing offers reliable performance with its 435 kN dynamic load capacity. The damp-resistant insulation maintains functionality in humid environments.

Automotive vs Aerospace: Applications of NU1038-XL-M1-J20AA Bearing
In hybrid vehicle drivetrains, NU1038-XL-M1-J20AA Bearing manages electrical isolation without lubrication issues. For aircraft auxiliary systems, its lightweight brass cage reduces overall component weight.

Perfect Fit for Automation: NU1038-XL-M1-J20AA Bearing
NU1038-XL-M1-J20AA Bearing works well in robotic joints where electrical insulation prevents signal interference. The 290mm outer diameter provides stable support for repetitive movements.

Q&A

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