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The NU 228 ECM/C3VL2071 is an electrically insulated cylindrical roller bearing with a 140mm bore and 250mm outer diameter, designed to handle heavy loads up to 450kN. Its compact 42mm width makes it suitable for space-constrained applications.
The bearing features an insulating coating on the inner ring, providing protection against electrical currents with a breakdown voltage of up to 3000VDC. The machined brass cage ensures smooth operation even at high speeds of 3200r/min.
With a C3 radial clearance, it accommodates thermal expansion in demanding environments. The coating offers a minimum electrical resistance of 50MΩ, preventing current damage.
Ideal for electric motors or generators where electrical insulation is crucial, this RoHS and REACH compliant bearing weighs 9kg for its robust size.
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How Is NU 228 ECM/C3VL2071 Bearing Engineered for Reliability?
NU 228 ECM/C3VL2071 Bearing features an insulation coating on the inner ring, preventing electrical arcing and ensuring reliable operation.
With a breakdown voltage of up to 3000 VDC, it is ideal for applications where electrical insulation is crucial.
The machined brass cage enhances durability and maintains proper roller alignment under heavy loads.
Its C3 radial internal clearance allows for thermal expansion, making it suitable for high-speed applications.
Industrial Uses of NU 228 ECM/C3VL2071 Bearing
NU 228 ECM/C3VL2071 Bearing is commonly used in industrial machinery, especially in electric motors and generators where electrical insulation is crucial. Its brass cage and C3 clearance ensure smooth operation even under heavy loads.
Where Is NU 228 ECM/C3VL2071 Bearing Used?
You’ll often find NU 228 ECM/C3VL2071 Bearing in wind turbines and railway traction motors, where its high breakdown voltage prevents electrical damage. The robust design handles dynamic loads up to 450 kN effortlessly.
Built for Heavy-Duty Use: NU 228 ECM/C3VL2071 Bearing
NU 228 ECM/C3VL2071 Bearing excels in high-speed applications like compressors and pumps, thanks to its 3200 r/min reference speed. The insulation coating adds durability in electrically harsh environments.
Automotive vs Aerospace: Applications of NU 228 ECM/C3VL2071 Bearing
In automotive systems, NU 228 ECM/C3VL2071 Bearing supports alternators and starter motors, while in aerospace, it’s used in auxiliary power units. Its 510 kN static load rating ensures reliability in both fields.
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