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The FAG NJ318-E-XL-M1-F1-J20AA-C4 is a current-insulated cylindrical roller bearing with a 90mm bore and 190mm outer diameter, designed for heavy-duty applications. Its outer ring features a ceramic coating (J20AA) to prevent electrical arcing, with a breakdown voltage of up to 1000V.
This bearing handles dynamic loads up to 370 kN and static loads up to 350 kN, making it suitable for high-stress environments. The brass cage ensures smooth operation at speeds up to 3650 RPM, even in damp conditions where electrical resistance drops to 10MΩ.
With a C4 radial clearance, it accommodates thermal expansion in demanding settings. The 200-micron insulating layer and RoHS/REACH compliance make it safe for industrial use.
Ideal for electric motors or generators where current leakage must be avoided, this 6.3kg unit balances durability and electrical protection.
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How Does NJ318-E-XL-M1-F1-J20AA-C4 Bearing Resist Electrical Current?
NJ318-E-XL-M1-F1-J20AA-C4 Bearing features an outer ring ceramic coating, providing effective 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, NJ318-E-XL-M1-F1-J20AA-C4 Bearing maintains stability and reduces friction during operation.
Its C4 radial internal clearance allows for thermal expansion, making it suitable for high-speed applications.
The bearing’s dynamic load rating of 370 kN ensures durability under heavy loads.
Its ceramic coating also resists damp conditions, maintaining an electrical resistance of 10MΩ.
NJ318-E-XL-M1-F1-J20AA-C4 Bearing is designed for long service life with minimal maintenance.
The combination of ceramic insulation and brass cage makes it a reliable choice for industrial applications.
Essential Roles of NJ318-E-XL-M1-F1-J20AA-C4 Bearing
NJ318-E-XL-M1-F1-J20AA-C4 Bearing is widely used in electric motors and generators, thanks to its current-insulating outer ring coating. This feature prevents electrical arcing, making it ideal for applications where stray currents are a concern.
In wind turbines, NJ318-E-XL-M1-F1-J20AA-C4 Bearing handles high radial loads while maintaining electrical insulation. Its brass cage ensures smooth operation even in demanding conditions.
For industrial pumps, NJ318-E-XL-M1-F1-J20AA-C4 Bearing offers reliable performance with its C4 radial clearance. The ceramic coating adds durability, especially in wet or humid environments.
In railway applications, NJ318-E-XL-M1-F1-J20AA-C4 Bearing’s high dynamic load rating makes it suitable for traction motors. The insulating properties help protect against electrical damage from rail currents.
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