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FAG Current-Insulated Single Row Cylindrical Roller Bearing NU215-E-M1-F1-J20B-C4

FAG Current-Insulated Single Row Cylindrical Roller Bearing NU215-E-M1-F1-J20B-C4

The FAG NU215-E-M1-F1-J20B-C4 is a current-insulated cylindrical roller bearing with a 75mm bore and 130mm outer diameter, designed for reliable performance in electrical environments. Its outer ring features a ceramic coating (J20B) to prevent current passage, with a breakdown voltage of up to 500V.

This bearing handles dynamic loads up to 155 kN and static loads up to 157 kN, suitable for high-speed applications up to 4400 RPM. The brass cage ensures durability and smooth operation under stress.

With a C4 radial clearance, it accommodates thermal expansion in demanding conditions. Ideal for electric motors or generators where electrical insulation is crucial.

Compliant with RoHS and REACH standards, it weighs 1.4kg and offers stable resistance (50MΩ dry, 10MΩ damp). A practical choice for preventing electrical damage in rotating equipment.

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Product Parameters

  • Model NU215-E-M1-F1-J20B-C4
  • Product Category Current-Insulated Cylindrical Roller Bearing Single Row
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20B
  • Manufacturers FAG
  • Bore Diameter 75.0 mm
  • Outside Diameter 130.0 mm
  • Width 25.0 mm
  • Net Weight 1.4 kg
  • Basic Dynamic Load Rating 155 kN
  • Basic Static Load Rating 157 kN
  • Reference Speed 4400r/min
  • Breakdown Voltage (DC) ≤500v
  • Layer Thic kNess ≤100 um
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material M - Brass Cage
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant
FAG Current-Insulated Single Row Cylindrical Roller Bearing NU215-E-M1-F1-J20B-C4 dimension drawing
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Features

How Does NU215-E-M1-F1-J20B-C4 Bearing Ensure Electrical Insulation?

NU215-E-M1-F1-J20B-C4 Bearing features a ceramic-coated outer ring, providing effective electrical insulation.
This design prevents current passage, reducing the risk of damage in electrically charged environments.

The brass cage enhances durability and maintains proper roller alignment under heavy loads.
With a breakdown voltage of up to 500V, it ensures reliable operation in demanding applications.

NU215-E-M1-F1-J20B-C4 Bearing’s C4 radial clearance allows for thermal expansion in high-speed conditions.
Its dynamic load rating of 155 kN ensures long-lasting performance in industrial settings.

Application

Industrial Uses of NU215-E-M1-F1-J20B-C4 Bearing
NU215-E-M1-F1-J20B-C4 Bearing is commonly used in electric motors and generators, where its current-insulating coating prevents electrical arcing. The brass cage ensures smooth operation even under high rotational speeds.

Where Is NU215-E-M1-F1-J20B-C4 Bearing Used?
You’ll often find NU215-E-M1-F1-J20B-C4 Bearing in wind turbines, where its ceramic-coated outer ring handles electrical isolation effectively. Its C4 clearance also accommodates thermal expansion in demanding conditions.

Built for Heavy-Duty Use: NU215-E-M1-F1-J20B-C4 Bearing
NU215-E-M1-F1-J20B-C4 Bearing excels in industrial gearboxes, thanks to its high dynamic load rating of 155 kN. The robust design makes it suitable for continuous operation in harsh environments.

Automotive vs Aerospace: Applications of NU215-E-M1-F1-J20B-C4 Bearing
In automotive applications, NU215-E-M1-F1-J20B-C4 Bearing supports alternators and starter motors, while in aerospace, it’s used in auxiliary power units. The ceramic coating ensures reliability in both fields.

Perfect Fit for Automation: NU215-E-M1-F1-J20B-C4 Bearing
NU215-E-M1-F1-J20B-C4 Bearing is ideal for robotic arms in automated production lines, where its precision and insulation properties are key. The brass cage reduces friction, enhancing longevity.

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