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The FAG 6311-M-J20AA-C3 is a current-insulated bearing with a 55mm bore and 120mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating, providing insulation up to 3000V.
With a dynamic load rating of 83kN and a static load rating of 47.5kN, it handles heavy loads while spinning smoothly at speeds up to 11000 RPM. The brass cage ensures durability and reduces friction.
The C3 radial clearance allows for thermal expansion, making it suitable for high-speed applications. Ideal for electric motors or generators where electrical currents could cause damage.
Compliant with RoHS and REACH standards, it weighs 1.616kg and offers reliable performance in demanding conditions. The ceramic coating maintains high electrical resistance, even in damp environments.
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How Is 6311-M-J20AA-C3 Bearing Engineered for Reliability?
6311-M-J20AA-C3 Bearing features an outer ring ceramic coating, providing excellent electrical insulation.
This design prevents electrical arcing, making it ideal for applications with stray currents.
The brass cage ensures smooth operation and reduces friction, even at high speeds up to 11,000 r/min.
With a basic dynamic load rating of 83.0 kN, it handles heavy loads reliably.
Its C3 radial internal clearance allows for thermal expansion, maintaining performance in varying temperatures.
The coating offers a breakdown voltage of ≤3000 V, ensuring safety in electrical environments.
Industrial Uses of 6311-M-J20AA-C3 Bearing
This 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.
Where Is 6311-M-J20AA-C3 Bearing Used?
You’ll often find 6311-M-J20AA-C3 Bearing in wind turbines and industrial pumps, where electrical insulation is crucial. Its brass cage and C3 clearance make it suitable for applications with thermal expansion needs.
Built for Heavy-Duty Use: 6311-M-J20AA-C3 Bearing
In railway traction motors, 6311-M-J20AA-C3 Bearing handles both radial and axial loads effectively. The 200µm insulating layer provides consistent protection against electrical erosion over time.
Automotive vs Aerospace: Applications of 6311-M-J20AA-C3 Bearing
While 6311-M-J20AA-C3 Bearing suits hybrid vehicle drivetrains, it’s equally valuable in aircraft auxiliary power units. The 10MΩ damp resistance ensures safety in varied operating conditions.
Perfect Fit for Automation: 6311-M-J20AA-C3 Bearing
This bearing works well in robotic assembly lines where electrical interference might occur. Its 11000 r/min reference speed allows for smooth operation in high-speed automation equipment.
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