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The FAG NU221-E-XL-M1-J20AA-C3 is a current-insulated cylindrical roller bearing with a 105mm bore and 190mm outer diameter, designed to handle high loads. Its outer ring features a ceramic coating, providing insulation against electrical currents.
With a dynamic load rating of 310 kN and a static load rating of 320 kN, it can support heavy machinery applications. The brass cage ensures durability and smooth operation at speeds up to 3400 RPM.
The insulating coating offers a breakdown voltage of up to 1000V, making it suitable for environments with electrical interference. Its C3 radial clearance allows for thermal expansion under heavy loads.
Ideal for electric motors or generators, this bearing is compliant with RoHS and REACH standards. Weighing 4.41 kg, it balances strength and reliability for industrial use.
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How Does NU221-E-XL-M1-J20AA-C3 Bearing Resist Electrical Currents?
NU221-E-XL-M1-J20AA-C3 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
This design prevents damage from stray currents, ensuring reliable operation in electrically charged environments.
The brass cage maintains proper roller alignment, reducing friction and wear during high-speed rotations.
With a breakdown voltage of up to 1000V, it offers robust protection in demanding applications.
NU221-E-XL-M1-J20AA-C3 Bearing’s dynamic load rating of 310 kN ensures durability under heavy loads.
Its C3 radial internal clearance allows for thermal expansion, making it suitable for varying operating conditions.
The bearing’s electrical resistance remains stable, even in damp environments, ensuring consistent performance.
This makes NU221-E-XL-M1-J20AA-C3 Bearing ideal for use in motors and generators.
Industrial Uses of NU221-E-XL-M1-J20AA-C3 Bearing
NU221-E-XL-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.
In wind turbine applications, NU221-E-XL-M1-J20AA-C3 Bearing handles heavy radial loads while maintaining electrical insulation. Its C3 clearance allows for thermal expansion in variable operating conditions.
For industrial pumps, NU221-E-XL-M1-J20AA-C3 Bearing’s ceramic coating provides reliable protection against stray currents. The 36mm width offers a compact solution for space-constrained designs.
What Makes NU221-E-XL-M1-J20AA-C3 Bearing a Preferred Choice?
NU221-E-XL-M1-J20AA-C3 Bearing works well in railway traction motors due to its high dynamic load rating of 310kN. The dry electrical resistance of 50MΩ ensures consistent insulation performance.
In paper mill machinery, NU221-E-XL-M1-J20AA-C3 Bearing withstands damp environments while maintaining 10MΩ resistance. Its 190mm outer diameter provides stable support for heavy rollers.
For food processing equipment, NU221-E-XL-M1-J20AA-C3 Bearing’s brass cage resists corrosion from cleaning agents. The 3400r/min reference speed suits high-speed mixing applications.
Built for Heavy-Duty Use: NU221-E-XL-M1-J20AA-C3 Bearing
NU221-E-XL-M1-J20AA-C3 Bearing excels in steel production equipment where high temperatures are common. The 200μm ceramic coating thickness provides durable insulation against electrical currents.
In mining conveyor systems, NU221-E-XL-M1-J20AA-C3 Bearing’s 320kN static load rating handles extreme pressures. The 105mm bore diameter fits standard shaft sizes in heavy machinery.
For printing presses, NU221-E-XL-M1-J20AA-C3 Bearing maintains precision alignment during rapid starts and stops. Its ROHS compliance makes it suitable for environmentally sensitive applications.
Automotive vs Aerospace: Applications of NU221-E-XL-M1-J20AA-C3 Bearing
In automotive alternators, NU221-E-XL-M1-J20AA-C3 Bearing prevents electrical damage from variable frequencies. The C3 clearance accommodates engine heat fluctuations.
For aircraft auxiliary power units, NU221-E-XL-M1-J20AA-C3 Bearing’s lightweight 4.41kg design reduces fuel consumption. The 1000V breakdown voltage meets aviation electrical safety standards.
In hybrid vehicle systems, NU221-E-XL-M1-J20AA-C3 Bearing bridges traditional and electric powertrain components. Its M1 suffix denotes optimized internal geometry for smoother rotation.
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