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FAG Current-Insulated Single Row Tapered Roller Bearing 33208-J20B
FAG Current-Insulated Single Row Tapered Roller Bearing 33208-J20B

FAG Current-Insulated Single Row Tapered Roller Bearing 33208-J20B

The FAG 33208-J20B is a current-insulated tapered roller bearing with a 40mm bore and 80mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating, ensuring reliable insulation with a breakdown voltage of up to 500V.

This bearing handles dynamic loads up to 105 kN and static loads up to 134 kN, making it suitable for heavy-duty applications. The steel cage provides durability and smooth operation under stress.

With an electrical resistance of 50MΩ when dry and 10MΩ when damp, it’s ideal for environments where electrical currents are a concern. Its compact size (32mm width) and 0.73kg weight make it easy to integrate into machinery.

Compliant with RoHS and REACH standards, this bearing is a practical choice for industries like wind energy or electric motors, where insulation and reliability are key.

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Product Parameters

  • Model 33208-J20B
  • Product Category Current-Insulated Single Row Tapered Roller Bearing
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20B
  • Manufacturers FAG
  • Bore Diameter 40 mm
  • Outside Diameter 80 mm
  • Width 32 mm
  • Net Weight 0.73 Kg
  • Basic Dynamic Load Rating 105 kN
  • Basic Static Load Rating 134 kN
  • Breakdown Voltage (DC) ≤500
  • Layer thickNess ≤100 um
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage material Steel
  • ROHS Compliant
  • REACH Compliant

Features

What Makes 33208-J20B Bearing Suitable for High-Temperature Applications?

33208-J20B Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
This design ensures reliable performance in environments with high temperatures and electrical interference.

The steel cage maintains proper roller alignment, enhancing durability under heavy loads.
With a basic dynamic load rating of 105 kN, it handles demanding industrial applications with ease.

33208-J20B Bearing’s electrical resistance remains stable, even in damp conditions.
Its robust construction and insulating properties make it ideal for use in electric motors and generators.

Application

Industrial Uses of 33208-J20B Bearing
The 33208-J20B Bearing is commonly used in electric motors and generators, where its current-insulating coating prevents electrical arcing. This makes it a reliable choice for industries dealing with high-voltage equipment.

Where Is 33208-J20B Bearing Used?
You’ll often find 33208-J20B Bearing in wind turbines, where its tapered roller design handles both radial and axial loads efficiently. The ceramic coating ensures long-term performance even in harsh weather conditions.

Perfect Fit for Automation: 33208-J20B Bearing
In automated production lines, 33208-J20B Bearing helps reduce downtime with its steel cage and robust construction. Its precise dimensions make it ideal for high-speed robotic applications.

Medical vs Industrial: Where 33208-J20B Bearing Excels
While 33208-J20B Bearing isn’t typically used in medical devices, it shines in industrial settings like conveyor systems. The insulation properties prevent current leakage, ensuring safer operation around sensitive electronics.

Automotive vs Aerospace: Applications of 33208-J20B Bearing
33208-J20B Bearing works well in automotive alternators, but its real strength lies in aerospace ground support equipment. The coating resists electrical damage from frequent power fluctuations.

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