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The 6321-M-J20AB-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, providing insulation up to 500V DC.
With a dynamic load rating of 188kN and a static load rating of 150kN, it handles heavy loads while spinning smoothly at speeds up to 5300 RPM. The brass cage ensures durability and reduces friction.
The C3 radial clearance allows for thermal expansion, making it suitable for high-temperature environments. It weighs 9.6kg and complies with RoHS and REACH standards.
Ideal for electric motors or generators where current leakage is a concern, this bearing offers reliable performance in damp or dry conditions.
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How Is 6321-M-J20AB-C3 Bearing Engineered for Reliability?
6321-M-J20AB-C3 Bearing features an outer ring ceramic coating, providing excellent electrical insulation with a breakdown voltage of up to 500 V.
The brass cage ensures smooth operation and reduces friction, even at high speeds of 5,300 r/min.
With a basic dynamic load rating of 188 kN, it handles heavy loads reliably in demanding applications.
Its C3 radial internal clearance allows for thermal expansion, making it suitable for varied operating conditions.
What Makes 6321-M-J20AB-C3 Bearing Suitable for High-Temperature Applications?
6321-M-J20AB-C3 Bearing’s ceramic coating offers high electrical resistance, even in damp conditions (10MΩ).
The brass cage maintains stability under thermal stress, ensuring consistent performance.
Its robust design supports a static load rating of 150 kN, ideal for high-load scenarios.
The 100 µm coating thickness enhances durability, making it a long-lasting solution.
Designed for Durability: 6321-M-J20AB-C3 Bearing
6321-M-J20AB-C3 Bearing combines a ceramic-coated outer ring with a brass cage for enhanced longevity.
Its electrical insulation properties prevent current damage, extending service life in electric motors.
The bearing’s high dynamic load rating (188 kN) ensures reliable operation under stress.
With a reference speed of 5,300 r/min, it delivers efficient performance in high-speed applications.
Steel vs Ceramic Bearings: Strengths of 6321-M-J20AB-C3 Bearing
6321-M-J20AB-C3 Bearing’s ceramic coating provides superior insulation compared to standard steel bearings.
The brass cage reduces wear, offering smoother operation and lower maintenance needs.
Its high load ratings (188 kN dynamic, 150 kN static) make it suitable for heavy-duty use.
The C3 clearance accommodates thermal expansion, ensuring reliability in varying temperatures.
Industrial Uses of 6321-M-J20AB-C3 Bearing
The 6321-M-J20AB-C3 Bearing is commonly used in electric motors and generators, where its current-insulating coating prevents damage from stray currents.
Its ceramic outer ring coating ensures reliable performance in high-voltage environments, making it a smart choice for industrial applications.
Where Is 6321-M-J20AB-C3 Bearing Used?
You’ll often find the 6321-M-J20AB-C3 Bearing in wind turbines, where its insulation properties protect against electrical erosion.
The brass cage and C3 clearance also help it handle moderate vibrations and misalignments with ease.
Built for Heavy-Duty Use: 6321-M-J20AB-C3 Bearing
In railway traction systems, the 6321-M-J20AB-C3 Bearing offers durability and electrical insulation for smooth operation.
Its high dynamic load rating makes it suitable for demanding environments like mining equipment.
Automotive vs Aerospace: Applications of 6321-M-J20AB-C3 Bearing
In automotive alternators, the 6321-M-J20AB-C3 Bearing prevents electrical arcing, extending component life.
For aerospace ground power units, its lightweight design and insulation properties ensure safe, efficient performance.
Perfect Fit for Automation: 6321-M-J20AB-C3 Bearing
The 6321-M-J20AB-C3 Bearing works well in robotic arms, where electrical insulation reduces wear from induced currents.
Its consistent performance and easy maintenance make it a reliable choice for automated production lines.
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