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The FAG K36990-36920-J20B is a current-insulated tapered roller bearing with a 177.8mm bore and 227.012mm outer diameter, featuring a ceramic-coated outer ring. It handles dynamic loads up to 186 kN and static loads up to 400 kN, with a reference speed of 4500 RPM.
The ceramic coating provides electrical insulation, preventing current damage in applications like electric motors or generators. The steel cage ensures durability and smooth operation under heavy loads.
With a breakdown voltage of ≤500V and electrical resistance of 50MΩ (dry), it’s ideal for environments where electrical currents are a concern. The bearing is RoHS and REACH compliant, making it safe for various industrial uses.
Weighing 3.18kg, it’s robust yet manageable for its size, suitable for machinery requiring reliable insulation and high load capacity.
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How Does K36990-36920-J20B Bearing Resist Wear?
K36990-36920-J20B Bearing features a ceramic-coated outer ring, enhancing its resistance to wear and electrical insulation.
The steel cage ensures stable operation, even under high dynamic loads up to 186 kN.
Its design allows for a reference speed of 4,500 rpm, making it suitable for demanding industrial applications.
The insulating coating provides reliable electrical resistance, with values up to 50MΩ in dry conditions.
K36990-36920-J20B Bearing’s robust construction ensures long service life, reducing maintenance needs.
With a static load rating of 400 kN, it handles heavy loads efficiently while maintaining performance.
Industrial Uses of K36990-36920-J20B Bearing
K36990-36920-J20B Bearing is commonly used in electric motors and generators, where its current-insulating coating prevents electrical arcing. The ceramic outer ring coating ensures reliable performance in high-voltage environments.
In wind turbine systems, K36990-36920-J20B Bearing handles heavy radial and axial loads while maintaining electrical isolation. Its steel cage provides durability in challenging outdoor conditions.
For railway applications, K36990-36920-J20B Bearing supports traction motors, where its high dynamic load rating ensures long service life. The insulating properties also protect against stray currents.
Where Is K36990-36920-J20B Bearing Used?
K36990-36920-J20B Bearing finds its place in industrial pumps, where its tapered roller design manages combined loads effectively. The J20B coating suffix indicates its suitability for electrically sensitive equipment.
In mining equipment, K36990-36920-J20B Bearing withstands harsh conditions while preventing electrical damage. Its 400 kN static load rating makes it robust for heavy machinery applications.
Built for Heavy-Duty Use: K36990-36920-J20B Bearing
K36990-36920-J20B Bearing performs well in steel mill rollers, where both load capacity and electrical insulation are critical. The 186 kN dynamic rating ensures reliable operation under continuous stress.
For marine propulsion systems, K36990-36920-J20B Bearing offers corrosion resistance alongside its insulating properties. The 4500r/min reference speed suits various marine engine requirements.
Automotive vs Aerospace: Applications of K36990-36920-J20B Bearing
In electric vehicle drivetrains, K36990-36920-J20B Bearing prevents current leakage in high-voltage systems. Its 30.162mm width provides a compact solution for space-constrained designs.
For aircraft ground power units, K36990-36920-J20B Bearing combines electrical safety with high-speed capability. The steel cage material ensures reliability during frequent start-stop cycles.
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