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The NKE 6220-M-C4-SQ77 is an electrically insulated ball bearing with a 100mm bore and 180mm outer diameter, designed to prevent electrical currents from passing through. It features a durable brass cage and a special outer ring coating for insulation.
This bearing handles dynamic loads up to 127kN and static loads up to 93kN, with a reference speed of 7500 RPM. The insulation coating can withstand voltages between 1000 to 3000V, making it safe for electrical applications.
Its C4 radial internal clearance ensures smooth operation under varying temperatures. The coating thickness ranges from 100 to 500µm, providing reliable insulation with an electrical resistance of 50 to 200 MΩ.
Ideal for use in electric motors or generators where electrical insulation is crucial. Compliant with ROHS standards, it weighs 1.26kg for easy handling.
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What Makes 6220-M-C4-SQ77 Bearing Suitable for High-Temperature Applications?
6220-M-C4-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 7,500 r/min.
With a breakdown voltage of 1,000 to 3,000 V, it provides reliable insulation in demanding conditions.
Its C4 radial internal clearance allows for thermal expansion, maintaining performance under temperature variations.
Key Fields for 6220-M-C4-SQ77 Bearing
The 6220-M-C4-SQ77 Bearing is commonly used in industrial motors and generators, where electrical insulation is crucial to prevent current leakage. Its brass cage and C4 clearance ensure smooth operation even under high loads.
Where Is 6220-M-C4-SQ77 Bearing Used?
You’ll often find 6220-M-C4-SQ77 Bearing in wind turbines and electric vehicles, where its insulation coating protects against electrical arcing. The high dynamic load rating makes it reliable for long-term use.
Built for Heavy-Duty Use: 6220-M-C4-SQ77 Bearing
In automation systems, 6220-M-C4-SQ77 Bearing handles high speeds and electrical loads, making it ideal for robotic arms. The SQ77 coating ensures consistent performance in demanding environments.
Medical vs Industrial: Where 6220-M-C4-SQ77 Bearing Excels
While 6220-M-C4-SQ77 Bearing isn’t typically used in medical devices, it shines in industrial settings like conveyor systems. Its breakdown voltage range makes it safe for electrically noisy environments.
Perfect Fit for Automation: 6220-M-C4-SQ77 Bearing
The 6220-M-C4-SQ77 Bearing works well in 3D printers and CNC machines, where precision and electrical insulation are key. Its brass cage reduces friction, extending the bearing’s lifespan.
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