+86 15806631151 info@sdtfbearing.com
The FAG 6221-M-J20AA-C4 is a current-insulated bearing with a 105mm bore and 190mm outer diameter, designed to prevent electrical damage. Its outer ring features a 200µm ceramic coating, offering high electrical resistance up to 50MΩ when dry.
This bearing handles dynamic loads up to 141kN and spins smoothly at speeds up to 6100 RPM. The brass cage ensures durability, while the C4 radial clearance allows for thermal expansion in demanding conditions.
The insulating coating protects against currents up to 3000V, making it ideal for electric motors or generators. It’s also RoHS and REACH compliant for safe use in various industries.
Weighing 4.485kg, it’s a robust choice for applications where electrical insulation and high performance are needed.
"*" indicates required fields
How Is 6221-M-J20AA-C4 Bearing Engineered for Reliability?
6221-M-J20AA-C4 Bearing features an outer ring ceramic coating, providing excellent electrical insulation.
This design prevents current passage, reducing the risk of damage in electrically active environments.
The brass cage ensures smooth operation and maintains ball alignment under high speeds.
With a basic dynamic load rating of 141.0 kN, it handles heavy loads reliably.
6221-M-J20AA-C4 Bearing’s C4 radial internal clearance allows for thermal expansion in demanding conditions.
Its breakdown voltage of ≤3000 V makes it suitable for applications with electrical interference.
The coating maintains high electrical resistance, even in damp conditions, ensuring consistent performance.
This bearing is ideal for use in motors and generators where electrical insulation is crucial.
Industrial Uses of 6221-M-J20AA-C4 Bearing
The 6221-M-J20AA-C4 Bearing is commonly used in electric motors and generators, where its current-insulating properties prevent damage from stray currents. The ceramic coating on the outer ring ensures reliable performance in high-voltage environments.
What Makes 6221-M-J20AA-C4 Bearing a Preferred Choice?
With its brass cage and C4 radial clearance, 6221-M-J20AA-C4 Bearing handles high speeds and loads efficiently. It’s a go-to solution for wind turbines and industrial drives needing durable insulation.
Perfect Fit for Automation: 6221-M-J20AA-C4 Bearing
In automated production lines, 6221-M-J20AA-C4 Bearing reduces downtime by resisting electrical arcing. Its 200 µm coating thickness provides long-term protection in damp conditions.
Medical vs Industrial: Where 6221-M-J20AA-C4 Bearing Excels
While unsuitable for medical devices, 6221-M-J20AA-C4 Bearing shines in industrial settings like steel mills. The 10MΩ damp resistance ensures stability even in humid environments.
Key Fields for 6221-M-J20AA-C4 Bearing
Railway applications benefit from 6221-M-J20AA-C4 Bearing’s ability to withstand vibration and electrical currents. The 105 kN static load rating makes it robust for heavy transport systems.
"*" indicates required fields
