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The NU216-E-M6-C3-SQ77 is an electrically insulated cylindrical roller bearing with an 80mm bore and 140mm outer diameter, designed to prevent electrical currents from damaging machinery. Its outer ring features a special coating (SQ77) with a breakdown voltage of 1000-3000V, ideal for electric motors or generators.
This bearing handles dynamic loads up to 160 kN and spins smoothly at speeds up to 5300 RPM. The brass cage ensures durability, while the C3 radial clearance allows for thermal expansion in demanding conditions.
The insulation layer is over 0.125mm thick, providing high electrical resistance (>2000 MΩ). It’s compliant with RoHS and REACH standards, making it safe for various industrial applications.
Weighing 1.54kg, it’s a robust choice for environments where electrical insulation is critical, such as wind turbines or railway systems.
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How Is NU216-E-M6-C3-SQ77 Bearing Engineered for Reliability?
NU216-E-M6-C3-SQ77 Bearing features an insulation coating on the outer ring, preventing electrical damage in high-voltage environments.
Its brass cage ensures smooth operation and reduces friction, even at high speeds up to 5300 r/min.
With a basic dynamic load rating of 160 kN, it handles heavy radial loads with ease.
The C3 radial internal clearance allows for thermal expansion, making it suitable for varying operating conditions.
Industrial Uses of NU216-E-M6-C3-SQ77 Bearing
NU216-E-M6-C3-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage and protects against bearing damage. The brass cage ensures smooth operation even under high-speed conditions.
Where Is NU216-E-M6-C3-SQ77 Bearing Used?
You’ll often find NU216-E-M6-C3-SQ77 Bearing in wind turbines, where its insulation properties are vital for handling stray currents. Its C3 clearance also accommodates thermal expansion in demanding environments.
Built for Heavy-Duty Use: NU216-E-M6-C3-SQ77 Bearing
NU216-E-M6-C3-SQ77 Bearing excels in industrial gearboxes, thanks to its high dynamic load rating and durable construction. The insulation coating adds an extra layer of reliability in electrically noisy settings.
Automotive vs Aerospace: Applications of NU216-E-M6-C3-SQ77 Bearing
In automotive applications, NU216-E-M6-C3-SQ77 Bearing supports alternators and starter motors, while in aerospace, it’s valued for its reliability in auxiliary power units. The consistent performance makes it versatile across industries.
Perfect Fit for Automation: NU216-E-M6-C3-SQ77 Bearing
NU216-E-M6-C3-SQ77 Bearing is ideal for robotic arms and CNC machines, where precision and electrical insulation are key. Its robust design ensures long service life even in continuous operation.
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