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The 6219-M-C3-SQ77 is an electrically insulated ball bearing with a 95mm bore and 170mm outer diameter, designed to prevent electrical currents from damaging machinery. It features a durable brass cage and a special coating on the outer ring for insulation.
With a dynamic load rating of 114kN, it handles heavy loads smoothly and spins up to 8000 RPM. The insulation can withstand voltages between 1000 to 3000V, making it ideal for electric motors or generators.
The C3 radial clearance allows for slight thermal expansion, ensuring stable performance under varying temperatures. Its compact 32mm width and 2.67kg weight make it easy to integrate into existing setups.
This bearing is RoHS compliant and suits applications where electrical insulation is critical, such as wind turbines or industrial drives. The coating ensures long-term reliability even in high-voltage environments.
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How Is 6219-M-C3-SQ77 Bearing Engineered for Reliability?
6219-M-C3-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical damage in high-voltage environments.
The brass cage ensures smooth operation and reduces friction, even at high speeds up to 8,000 r/min.
With a basic dynamic load rating of 114.0 kN, it handles heavy loads reliably.
Its breakdown voltage ranges from 1,000 to 3,000 V, making it suitable for electrically demanding applications.
Industrial Uses of 6219-M-C3-SQ77 Bearing
This bearing is commonly used in electric motors and generators, where its insulating coating prevents electrical arcing and extends service life. The brass cage adds durability, making it suitable for high-speed applications.
Where Is 6219-M-C-C3-SQ77 Bearing Used?
You’ll often find it in wind turbines and industrial drives, where breakdown voltage resistance is key. Its C3 clearance ensures reliable performance under varying thermal conditions.
Built for Heavy-Duty Use: 6219-M-C3-SQ77 Bearing
Perfect for conveyor systems in mining, it handles heavy loads while resisting electrical damage. The coating thickness can be tailored for specific voltage requirements.
Automotive vs Aerospace: Applications of 6219-M-C3-SQ77 Bearing
In automotive alternators, it prevents stray currents, while in aerospace, its lightweight design meets strict performance standards. Both benefit from its high dynamic load rating.
Key Fields for 6219-M-C3-SQ77 Bearing
Medical imaging devices use it for smooth, interference-free rotation. The insulation ensures patient safety by preventing electrical leakage in sensitive equipment.
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