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The NKE 6215-M-C3-SQ77 is an electrically insulated ball bearing with a 75mm bore and 130mm outer diameter, designed to prevent electrical currents from passing through. It features a durable brass cage and can handle dynamic loads up to 68.9 kN.
The outer ring has a special insulation coating (SQ77) with a breakdown voltage of 1000-3000V, making it ideal for electric motors or generators. Its C3 radial clearance ensures smooth operation even under varying temperatures.
With a reference speed of 10,000 RPM, it suits high-speed applications while maintaining electrical resistance of 50-200 MΩ. The coating thickness ranges from 100 to 500 µm for reliable insulation.
Weighing 1.21kg, this RoHS-compliant bearing is a practical choice for industries where electrical isolation is crucial, such as wind turbines or industrial drives.
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Why Choose 6215-M-C3-SQ77 Bearing for Precision Tasks?
6215-M-C3-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical currents from damaging the bearing.
This makes it ideal for applications where electrical insulation is crucial, such as electric motors and generators.
The brass cage ensures smooth operation and reduces friction, enhancing the bearing’s performance.
With a dynamic load rating of 68.9 kN, it handles heavy loads efficiently while maintaining precision.
6215-M-C3-SQ77 Bearing operates at speeds up to 10,000 r/min, offering reliability in high-speed applications.
Its breakdown voltage ranges from 1000 to 3000 V, providing robust protection against electrical damage.
Industrial Uses of 6215-M-C3-SQ77 Bearing
This bearing is commonly used in electric motors and generators, where its insulating coating prevents electrical currents from causing damage.
The brass cage ensures smooth operation even under high-speed conditions, making it suitable for industrial applications.
Where Is 6215-M-C3-SQ77 Bearing Used?
You’ll find this bearing in wind turbines, where it handles both radial and axial loads while resisting electrical arcing.
Its C3 clearance allows for thermal expansion, making it ideal for environments with fluctuating temperatures.
Built for Heavy-Duty Use: 6215-M-C3-SQ77 Bearing
In conveyor systems, this bearing’s high dynamic load rating ensures reliable performance over long periods.
The SQ77 coating provides extra protection against electrical wear, extending the bearing’s lifespan.
Automotive vs Aerospace: Applications of 6215-M-C3-SQ77 Bearing
In automotive alternators, this bearing’s insulation prevents electrical damage from stray currents.
For aerospace applications, its lightweight design and high-speed capability make it a practical choice.
Perfect Fit for Automation: 6215-M-C3-SQ77 Bearing
This bearing works well in robotic arms, where precision and electrical insulation are key.
The 130 mm outer diameter provides stability, while the brass cage reduces friction during movement.
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