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FAG Current-Insulated Bearings 6312-J20AA-C4
FAG Current-Insulated Bearings 6312-J20AA-C4

FAG Current-Insulated Bearings 6312-J20AA-C4

The FAG 6312-J20AA-C4 is a current-insulated bearing with a 60mm bore and 130mm 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 89kN, it handles heavy loads while maintaining smooth rotation at speeds up to 7900 RPM. The C4 radial clearance ensures reliable performance under varying temperatures.

The sheet metal cage offers durability, and the coating maintains high electrical resistance even in damp conditions. Ideal for electric motors or generators where current leakage is a concern.

Compliant with RoHS and REACH standards, this 1.65kg bearing balances strength and safety in demanding applications.

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Product Parameters

  • Model 6312-J20AA-C4
  • Product Category Current-Insulated Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 60.0 mm
  • Outside Diameter 130.0 mm
  • Width 31.0 mm
  • Net Weight 1.65 kg
  • Basic Dynamic Load Rating 89.0 kN
  • Basic Static Load Rating 52.0 kN
  • Reference Speed 7900 r/min
  • Breakdown Voltage (DC) ≤3000 V
  • Layer Thickness 200 µm
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material Sheet metal
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant

Features

How Does 6312-J20AA-C4 Bearing Prevent Electrical Damage?

6312-J20AA-C4 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
The coating offers a breakdown voltage of up to 3000 V, protecting the bearing from electrical damage.

With a basic dynamic load rating of 89.0 kN, 6312-J20AA-C4 Bearing handles heavy loads reliably.
Its C4 radial internal clearance ensures stable performance under varying thermal conditions.

The sheet metal cage maintains ball alignment, reducing friction and wear.
6312-J20AA-C4 Bearing operates smoothly at speeds up to 7900 r/min, making it suitable for high-speed applications.

Its electrical resistance remains high even in damp conditions, ensuring consistent insulation.
This makes 6312-J20AA-C4 Bearing ideal for use in environments with electrical risks.

Application

Industrial Uses of 6312-J20AA-C4 Bearing
The 6312-J20AA-C4 Bearing is commonly used in electric motors and generators, where its ceramic coating prevents electrical currents from damaging the bearing. This makes it ideal for industries relying on heavy electrical equipment.

Where Is 6312-J20AA-C4 Bearing Used?
You’ll often find the 6312-J20AA-C4 Bearing in wind turbines, where it handles high loads while resisting electrical erosion. Its C4 clearance ensures smooth operation even under varying thermal conditions.

Built for Heavy-Duty Use: 6312-J20AA-C4 Bearing
The 6312-J20AA-C4 Bearing’s robust design suits industrial gearboxes, offering reliable performance under continuous operation. Its sheet metal cage enhances durability in high-speed applications.

Automotive vs Aerospace: Applications of 6312-J20AA-C4 Bearing
In automotive alternators, the 6312-J20AA-C4 Bearing prevents electrical damage, while in aerospace, its lightweight yet sturdy build supports auxiliary power units. The ceramic coating ensures longevity in both fields.

Perfect Fit for Automation: 6312-J20AA-C4 Bearing
The 6312-J20AA-C4 Bearing works well in robotic arms, where its insulation properties protect against stray currents. Its high dynamic load rating ensures consistent performance in repetitive tasks.

Q&A

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