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FAG Current-Insulated Single Row Cylindrical Roller Bearing NJ312-E-M1-F1-J20B-C4
FAG Current-Insulated Single Row Cylindrical Roller Bearing NJ312-E-M1-F1-J20B-C4

FAG Current-Insulated Single Row Cylindrical Roller Bearing NJ312-E-M1-F1-J20B-C4

The FAG NJ312-E-M1-F1-J20B-C4 is a current-insulated cylindrical roller bearing with a 60mm bore and 130mm outer diameter, designed for electrical insulation. Its outer ring features a ceramic coating, providing protection against electrical currents up to 500V.

This bearing handles dynamic loads up to 177 kN and static loads up to 157 kN, with a reference speed of 5300 rpm. The brass cage ensures durability and smooth operation even under high stress.

The C4 radial clearance allows for thermal expansion, making it suitable for applications with temperature variations. It’s ideal for electric motors or generators where electrical insulation is crucial.

Weighing 2.11kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for industrial and electrical applications.

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Product Parameters

  • Model NJ312-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 60.0 mm
  • Outside Diameter 130.0 mm
  • Width 31.0 mm
  • Net Weight 2.11 kg
  • Basic Dynamic Load Rating 177 kN
  • Basic Static Load Rating 157 kN
  • Reference Speed 5300r/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

How Is NJ312-E-M1-F1-J20B-C4 Bearing Engineered for Reliability?

NJ312-E-M1-F1-J20B-C4 Bearing features an outer ring ceramic coating, providing excellent electrical insulation.
This design prevents current passage, reducing the risk of damage in electrical applications.

The brass cage ensures smooth operation and durability under high loads.
With a basic dynamic load rating of 177 kN, it handles demanding conditions with ease.

NJ312-E-M1-F1-J20B-C4 Bearing’s C4 radial internal clearance allows for thermal expansion in high-speed operations.
Its reference speed of 5300r/min makes it suitable for various industrial uses.

The coating offers high electrical resistance, even in damp conditions.
This ensures reliable performance in environments where moisture is present.

Application

Industrial Uses of NJ312-E-M1-F1-J20B-C4 Bearing
NJ312-E-M1-F1-J20B-C4 Bearing is commonly used in electric motors and generators, where its current-insulating properties prevent electrical damage. The brass cage ensures smooth operation even under high rotational speeds.

What Makes NJ312-E-M1-F1-J20B-C4 Bearing a Preferred Choice?
In wind turbines, NJ312-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.

Perfect Fit for Automation: NJ312-E-M1-F1-J20B-C4 Bearing
NJ312-E-M1-F1-J20B-C4 Bearing works well in robotic arms, offering reliable performance with minimal maintenance. The ceramic outer ring coating adds durability in high-frequency applications.

Medical vs Industrial: Where NJ312-E-M1-F1-J20B-C4 Bearing Excels
While suitable for industrial gearboxes, NJ312-E-M1-F1-J20B-C4 Bearing also meets precision needs in medical imaging equipment. Its consistent electrical resistance ensures safe operation in sensitive environments.

Q&A

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