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FAG Current-Insulated Single Row Cylindrical Roller Bearing NJ322-E-XL-M1-F1-J20AA-C4
FAG Current-Insulated Single Row Cylindrical Roller Bearing NJ322-E-XL-M1-F1-J20AA-C4

FAG Current-Insulated Single Row Cylindrical Roller Bearing NJ322-E-XL-M1-F1-J20AA-C4

The NJ322-E-XL-M1-F1-J20AA-C4 is a current-insulated cylindrical roller bearing with a 110mm bore and 240mm outer diameter, designed to handle heavy loads. Its ceramic-coated outer ring prevents electrical arcing, making it ideal for electric motors.

With a dynamic load rating of 520 kN and a static load rating of 510 kN, it offers reliable performance under stress. The brass cage ensures smooth operation at speeds up to 2950 RPM.

The C4 radial clearance allows for thermal expansion, while the insulating coating resists voltages up to 1000V. This bearing is compliant with RoHS and REACH standards.

Perfect for applications like generators or wind turbines where electrical insulation is crucial. Weighing 11.9kg, it balances durability with practical handling.

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Product Parameters

  • Model NJ322-E-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 110.0 mm
  • Outside Diameter 240.0 mm
  • Width 50.0 mm
  • Net Weight 11.9 kg
  • Basic Dynamic Load Rating 520 kN
  • Basic Static Load Rating 510 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

Features

How Does NJ322-E-XL-M1-F1-J20AA-C4 Bearing Resist Electrical Currents?

NJ322-E-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, making it suitable for applications with electrical interference.

With a brass cage, NJ322-E-XL-M1-F1-J20AA-C4 Bearing ensures smooth operation and durability under high loads.
Its basic dynamic load rating of 520 kN allows it to handle demanding industrial conditions.

The C4 radial internal clearance enhances performance in high-temperature environments.
NJ322-E-XL-M1-F1-J20AA-C4 Bearing’s design reduces the risk of electrical damage, extending its service life.

Application

Industrial Uses of NJ322-E-XL-M1-F1-J20AA-C4 Bearing
NJ322-E-XL-M1-F1-J20AA-C4 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.

In wind turbine applications, NJ322-E-XL-M1-F1-J20AA-C4 Bearing handles heavy radial loads while maintaining electrical insulation. Its C4 clearance allows for thermal expansion in variable operating conditions.

For railway traction systems, NJ322-E-XL-M1-F1-J20AA-C4 Bearing’s ceramic coating provides reliable insulation against stray currents. The robust design makes it suitable for both passenger and freight locomotives.

What Makes NJ322-E-XL-M1-F1-J20AA-C4 Bearing a Preferred Choice?
NJ322-E-XL-M1-F1-J20AA-C4 Bearing is often selected for industrial pumps due to its ability to withstand both mechanical and electrical stresses. The XL suffix indicates enhanced load capacity for demanding environments.

In steel mill equipment, NJ322-E-XL-M1-F1-J20AA-C4 Bearing’s brass cage resists deformation under extreme temperatures. The 50mm width provides stability in heavy rolling machinery.

Built for Heavy-Duty Use: NJ322-E-XL-M1-F1-J20AA-C4 Bearing
NJ322-E-XL-M1-F1-J20AA-C4 Bearing excels in paper manufacturing machinery, where its insulation properties protect against moisture-induced currents. The 240mm outer diameter offers ample support for large rollers.

For mining conveyor systems, NJ322-E-XL-M1-F1-J20AA-C4 Bearing’s 520kN dynamic rating ensures longevity under constant load. The ceramic coating remains effective even in dusty conditions.

Automotive vs Aerospace: Applications of NJ322-E-XL-M1-F1-J20AA-C4 Bearing
In electric vehicle drivetrains, NJ322-E-XL-M1-F1-J20AA-C4 Bearing prevents current leakage in high-voltage systems. The 110mm bore fits standard motor shafts perfectly.

For aircraft auxiliary power units, NJ322-E-XL-M1-F1-J20AA-C4 Bearing’s lightweight design (11.9kg) meets strict aviation requirements. The 2950r/min speed rating handles turbine rotations efficiently.

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