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The SKF INSOCOAT bearing 6221M/C4VL0241 is a robust unit measuring 105mm in bore diameter, 190mm outside, and 36mm wide. It features an insulating coating on the outer ring to prevent electrical damage.
With a dynamic load rating of 141kN and static load rating of 105kN, it handles heavy loads efficiently. Its reference speed reaches 6100 RPM, suitable for high-speed applications.
The brass cage ensures durability, while the C4 radial clearance allows for thermal expansion. The coating provides a breakdown voltage of up to 3000V and electrical resistance of 200 MΩ.
Ideal for electric motors or generators where electrical insulation is crucial. Compliant with ROHS standards, it weighs 3.86kg for easy handling.
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How Is 6221M/C4VL0241 Bearing Engineered for Reliability?
6221M/C4VL0241 Bearing features an insulation coating on the outer ring, protecting against electrical currents and extending its lifespan.
The brass cage ensures smooth operation and reduces friction, even at high speeds up to 6,100 r/min.
With a basic dynamic load rating of 141.0 kN, it handles heavy loads reliably.
The C4 radial internal clearance allows for thermal expansion, making it suitable for varying operating conditions.
Its breakdown voltage of ≤3000 V and electrical resistance of 200 MΩ make it ideal for electric motor applications.
The 500 µm coating thickness provides durable insulation, reducing maintenance needs.
Industrial Uses of 6221M/C4VL0241 Bearing
This bearing is commonly used in electric motors and generators, where its insulating coating prevents electrical damage from stray currents. The brass cage ensures smooth operation even at high speeds.
Where Is 6221M/C4VL0241 Bearing Used?
You’ll often find it in wind turbines and industrial pumps, thanks to its ability to handle heavy loads and resist electrical arcing. The C4 clearance makes it suitable for applications with thermal expansion.
Built for Heavy-Duty Use: 6221M/C4VL0241 Bearing
Ideal for mining equipment and compressors, this bearing’s robust design handles harsh conditions effortlessly. The insulation coating adds an extra layer of protection in electrically noisy environments.
Automotive vs Aerospace: Applications of 6221M/C4VL0241 Bearing
In automotive alternators, it ensures reliable performance, while in aerospace systems, its lightweight yet durable construction is a key advantage. The high breakdown voltage makes it versatile across industries.
Perfect Fit for Automation: 6221M/C4VL0241 Bearing
This bearing works well in robotic arms and CNC machines, where precision and electrical insulation are critical. Its high reference speed allows for efficient, long-lasting operation in automated systems.
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