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The 6321-M-J20AA-C3 is a current-insulated bearing with a 105mm bore and 225mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating for insulation, offering protection up to 3000V.
With a dynamic load rating of 188kN, it handles heavy loads while maintaining smooth operation at speeds up to 5300 rpm. The brass cage ensures durability and reduces friction.
This model is ideal for electric motors or generators where electrical currents could cause damage. Its C3 radial clearance allows for thermal expansion in demanding conditions.
Compliant with RoHS and REACH standards, it’s a reliable choice for industrial applications. Weighing 9.6kg, it balances strength and practicality.
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How Is 6321-M-J20AA-C3 Bearing Engineered for Reliability?
6321-M-J20AA-C3 Bearing features an outer ring ceramic coating, providing excellent electrical insulation.
This design prevents current passage, protecting the bearing from electrical damage.
With a basic dynamic load rating of 188.0 kN, it handles heavy loads efficiently.
The brass cage ensures smooth operation and reduces friction.
6321-M-J20AA-C3 Bearing operates at reference speeds up to 5300 r/min, offering reliable performance.
Its C3 radial internal clearance accommodates thermal expansion in various applications.
The insulating coating maintains high electrical resistance, even in damp conditions.
This makes 6321-M-J20AA-C3 Bearing suitable for environments with electrical currents.
Industrial Uses of 6321-M-J20AA-C3 Bearing
The 6321-M-J20AA-C3 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.
In wind turbine applications, 6321-M-J20AA-C3 Bearing handles heavy loads while maintaining electrical insulation. Its brass cage and C3 clearance make it suitable for variable operating conditions.
For industrial pumps and compressors, 6321-M-J20AA-C3 Bearing offers durability and resistance to electrical arcing. The 200 µm coating thickness provides long-term protection against current-induced wear.
Where Is 6321-M-J20AA-C3 Bearing Used?
You’ll often find 6321-M-J20AA-C3 Bearing in railway traction motors, where electrical insulation is critical. Its high breakdown voltage and damp resistance make it a dependable choice.
The bearing also works well in marine propulsion systems, thanks to its ability to withstand harsh conditions. The 188 kN dynamic load rating ensures it can handle demanding applications.
Built for Heavy-Duty Use: 6321-M-J20AA-C3 Bearing
6321-M-J20AA-C3 Bearing is ideal for mining equipment, where its robust design and electrical insulation are essential. The 150 kN static load rating guarantees stability under extreme loads.
In steel production machinery, this bearing reduces downtime caused by electrical damage. Its 5300 r/min reference speed allows for efficient operation in high-speed scenarios.
Automotive vs Aerospace: Applications of 6321-M-J20AA-C3 Bearing
In automotive electric vehicles, 6321-M-J20AA-C3 Bearing prevents current leakage in drivetrains. Its compact design fits well in space-constrained assemblies.
For aerospace applications, the bearing’s lightweight and insulation properties are valuable. The 10MΩ damp resistance ensures reliability even in humid conditions.
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