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FAG Current-Insulated Single Row Cylindrical Roller Bearing NU214-E-M1-F1-J20B-C4
FAG Current-Insulated Single Row Cylindrical Roller Bearing NU214-E-M1-F1-J20B-C4

FAG Current-Insulated Single Row Cylindrical Roller Bearing NU214-E-M1-F1-J20B-C4

The FAG NU214-E-M1-F1-J20B-C4 is a current-insulated cylindrical roller bearing with a 70mm bore and 125mm outer diameter, designed to block electrical currents. Its outer ring features a ceramic coating (J20B) to prevent damage from stray currents, with a breakdown voltage of up to 500V.

This bearing handles dynamic loads up to 140 kN and spins smoothly at speeds up to 4750 RPM. The brass cage ensures durability, while the C4 radial clearance allows for thermal expansion in demanding conditions.

Weighing 1.29kg, it’s robust yet manageable for industrial use. Compliant with RoHS and REACH standards, it’s ideal for electric motors or generators where electrical insulation is crucial.

The coating maintains high resistance (50MΩ dry, 10MΩ damp), ensuring reliable performance in varied environments. A practical choice for preventing electrical erosion in machinery.

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Product Parameters

  • Model NU214-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 70.0 mm
  • Outside Diameter 125.0 mm
  • Width 24.0 mm
  • Net Weight 1.29 kg
  • Basic Dynamic Load Rating 140 kN
  • Basic Static Load Rating 137 kN
  • Reference Speed 4750r/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

Features

Why Choose NU214-E-M1-F1-J20B-C4 Bearing for Precision Tasks?

NU214-E-M1-F1-J20B-C4 Bearing features an outer ring ceramic coating, providing excellent electrical insulation.
This design prevents current passage, making it ideal for precision applications where electrical interference is a concern.

The brass cage ensures smooth operation and reduces friction, enhancing the bearing’s performance.
With a basic dynamic load rating of 140 kN, it handles heavy loads reliably.

NU214-E-M1-F1-J20B-C4 Bearing operates efficiently at speeds up to 4750r/min, balancing speed and durability.
Its C4 radial internal clearance allows for thermal expansion in demanding conditions.

The coating offers high electrical resistance, with 50MΩ when dry and 10MΩ in damp environments.
This ensures consistent performance even in varying conditions.

NU214-E-M1-F1-J20B-C4 Bearing is ROHS and REACH compliant, meeting strict environmental standards.
Its robust construction and insulation properties make it a reliable choice for specialised applications.

Application

Industrial Uses of NU214-E-M1-F1-J20B-C4 Bearing
NU214-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.

What Makes NU214-E-M1-F1-J20B-C4 Bearing a Preferred Choice?
In wind turbines, NU214-E-M1-F1-J20B-C4 Bearing handles heavy radial loads while its ceramic coating protects against stray currents. Its C4 clearance allows for thermal expansion in demanding environments.

Built for Heavy-Duty Use: NU214-E-M1-F1-J20B-C4 Bearing
This bearing excels in industrial gearboxes, where its high dynamic load rating ensures long service life. The damp-resistant design maintains performance even in humid conditions.

Automotive vs Aerospace: Applications of NU214-E-M1-F1-J20B-C4 Bearing
In automotive alternators, NU214-E-M1-F1-J20B-C4 Bearing provides reliable insulation against electrical currents. For aerospace applications, its lightweight design and precision make it suitable for auxiliary power units.

Perfect Fit for Automation: NU214-E-M1-F1-J20B-C4 Bearing
NU214-E-M1-F1-J20B-C4 Bearing is ideal for robotic arms in automated production lines, offering both electrical insulation and low maintenance. The brass cage reduces friction during repetitive movements.

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