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The FAG 6334-M-J20AA-C4 is a current-insulated bearing with a 170mm bore and 360mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating, providing insulation up to 3000V.
This robust unit handles dynamic loads up to 325kN and static loads of 365kN, with a reference speed of 3200 RPM. The brass cage ensures smooth operation and durability under high stress.
The insulating layer is 200µm thick, offering electrical resistance of 50MΩ when dry and 10MΩ in damp conditions. Its C4 radial clearance allows for thermal expansion in demanding environments.
Ideal for electric motors or generators where current leakage is a concern, this bearing is RoHS and REACH compliant. Weighing 36.7kg, it’s built for heavy-duty applications.
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How Is 6334-M-J20AA-C4 Bearing Engineered for Reliability?
6334-M-J20AA-C4 Bearing features an outer ring ceramic coating, providing excellent electrical insulation.
The brass cage ensures smooth operation and reduces friction, even at high speeds up to 3200 r/min.
With a basic dynamic load rating of 325.0 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 high electrical resistance make it ideal for applications with electrical currents.
The 200 µm coating thickness ensures long-term insulation performance.
Industrial Uses of 6334-M-J20AA-C4 Bearing
6334-M-J20AA-C4 Bearing is commonly used in electric motors and generators, where its current-insulating properties prevent electrical damage. The ceramic coating on the outer ring ensures reliable performance in high-voltage environments.
In wind turbine applications, 6334-M-J20AA-C4 Bearing handles heavy loads while resisting electrical arcing. Its brass cage and C4 clearance make it suitable for variable speed conditions.
For railway traction systems, 6334-M-J20AA-C4 Bearing provides durability and electrical insulation. The high breakdown voltage and consistent resistance values ensure long-term reliability.
Where Is 6334-M-J20AA-C4 Bearing Used?
You’ll find 6334-M-J20AA-C4 Bearing in industrial pumps, where its insulation protects against stray currents. The robust design also handles the demanding conditions of continuous operation.
In mining equipment, 6334-M-J20AA-C4 Bearing withstands both mechanical stress and electrical interference. The ceramic coating adds an extra layer of protection in harsh environments.
Built for Heavy-Duty Use: 6334-M-J20AA-C4 Bearing
6334-M-J20AA-C4 Bearing excels in steel mill machinery, where high loads and electrical risks are common. Its dynamic load rating ensures it can handle intense operational demands.
The bearing’s design also makes it a good fit for marine propulsion systems. The damp electrical resistance is particularly useful in humid or wet conditions.
Automotive vs Aerospace: Applications of 6334-M-J20AA-C4 Bearing
In automotive testing rigs, 6334-M-J20AA-C4 Bearing helps prevent electrical interference during performance measurements. Its precision and insulation are key advantages here.
For aerospace ground support equipment, the bearing’s reliability and electrical resistance ensure safe operation. The high reference speed is another benefit for these applications.
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