FAG Current-Insulated Bearings 6220-J20AA-C3

The FAG 6220-J20AA-C3 is a current-insulated bearing with a 100mm bore and 180mm outer diameter, featuring a ceramic coating on the outer ring. It handles dynamic loads up to 130kN and spins smoothly at speeds up to 5000 RPM.

Its insulating coating prevents electrical damage, with a breakdown voltage of up to 3000V, making it ideal for electric motors. The sheet metal cage ensures durability and reliable performance.

With a C3 radial clearance, it accommodates thermal expansion in demanding conditions. Compliant with RoHS and REACH standards, it’s a safe choice for industrial applications.

Weighing 3.178kg, this bearing is robust yet manageable for installations in machinery prone to electrical currents.

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Description

Features

Application

Q&A

Product Parameters

Model 6220-J20AA-C3
Product Category Current-Insulated Bearings
Insulating Coating Types Outer ring ceramic coated
Coating Suffix J20AA
Manufacturers FAG
Bore Diameter 100.0 mm
Outside Diameter 180.0 mm
Width 34.0 mm
Net Weight 3.178 kg
Basic Dynamic Load Rating 130.0 kN
Basic Static Load Rating 93.0 kN
Reference Speed 5000 r/min
Breakdown Voltage (DC) ≤3000 V
Layer Thickness 200 µm
Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
Cage Material Sheet metal
Radial Internal Clearance C3
ROHS Compliant
REACH Compliant

FAG Current-Insulated Bearings 6220-J20AA-C3 dimension drawing

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Features

How Is 6220-J20AA-C3 Bearing Engineered for Reliability?

6220-J20AA-C3 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
The coating ensures a breakdown voltage of up to 3000 V, making it suitable for electric motor applications.

With a basic dynamic load rating of 130.0 kN, 6220-J20AA-C3 Bearing handles heavy loads reliably.
Its C3 radial internal clearance allows for thermal expansion, ensuring stable performance.

The sheet metal cage maintains ball alignment, reducing friction and wear.
6220-J20AA-C3 Bearing operates smoothly at speeds up to 5000 r/min, balancing efficiency and durability.

Designed for damp environments, 6220-J20AA-C3 Bearing maintains an electrical resistance of 10MΩ.
This makes it a dependable choice for applications where moisture is a concern.

Application

Industrial Uses of 6220-J20AA-C3 Bearing
The 6220-J20AA-C3 Bearing is commonly used in electric motors and generators, where its current-insulating properties prevent electrical damage. Its ceramic-coated outer ring ensures reliable performance in environments with electrical currents.

In wind turbines, 6220-J20AA-C3 Bearing handles high dynamic loads while avoiding electrical arcing. The C3 clearance allows for thermal expansion, making it suitable for variable operating conditions.

For railway applications, 6220-J20AA-C3 Bearing supports traction motors, where insulation is critical to prevent bearing currents. Its sheet metal cage provides durability under continuous vibration and load changes.

Where Is 6220-J20AA-C3 Bearing Used?
You’ll often find 6220-J20AA-C3 Bearing in industrial pumps, where its insulation protects against stray currents. The 180 mm outer diameter offers stability in high-speed rotations.

In conveyor systems, 6220-J20AA-C3 Bearing ensures smooth operation even in electrically noisy environments. Its 34 mm width provides ample load-bearing capacity for heavy-duty applications.

Built for Heavy-Duty Use: 6220-J20AA-C3 Bearing
The 6220-J20AA-C3 Bearing is ideal for crane motors, where its insulation prevents electrical pitting. The 100 mm bore diameter fits standard industrial shafts perfectly.

In mining equipment, 6220-J20AA-C3 Bearing withstands harsh conditions while maintaining electrical isolation. Its 200 µm coating thickness ensures long-term insulation performance.

Automotive vs Aerospace: Applications of 6220-J20AA-C3 Bearing
In electric vehicles, 6220-J20AA-C3 Bearing protects drivetrain components from electrical currents. The 93 kN static load rating ensures reliability under heavy loads.

For aerospace ground equipment, 6220-J20AA-C3 Bearing’s insulation prevents static discharge. Its 5000 r/min reference speed suits high-performance auxiliary systems.