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

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

The FAG NJ312-E-XL-M1-F1-J20B-C4 is a current-insulated cylindrical roller bearing, measuring 60mm in bore diameter and 130mm in outer diameter, with a width of 31mm. Its outer ring features a ceramic coating for electrical insulation, preventing damage from stray currents.

With a dynamic load rating of 177 kN and a static load rating of 157 kN, it handles heavy radial loads efficiently. The brass cage ensures smooth operation at speeds up to 5200 rpm, even under demanding conditions.

The ceramic coating provides high electrical resistance, up to 50MΩ when dry, protecting against electrical arcing. Its C4 radial clearance allows for thermal expansion, making it suitable for high-speed applications.

Ideal for electric motors or generators, this bearing is ROHS and REACH compliant. Weighing 2.11 kg, it offers durability and reliability in industrial settings.

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Product Parameters

  • Model NJ312-E-XL-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 5200r/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-XL-M1-F1-J20B-C4 Bearing Engineered for Reliability?

NJ312-E-XL-M1-F1-J20B-C4 Bearing features an outer ring ceramic coating, providing excellent current insulation.
This design prevents electrical damage, making it ideal for applications with stray currents.

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

NJ312-E-XL-M1-F1-J20B-C4 Bearing’s C4 radial internal clearance allows for thermal expansion.
This ensures consistent performance even in varying temperature environments.

The coating offers high electrical resistance, up to 50MΩ when dry.
This makes NJ312-E-XL-M1-F1-J20B-C4 Bearing suitable for damp conditions as well.

Application

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

In automotive applications, NJ312-E-XL-M1-F1-J20B-C4 Bearing supports components like alternators and starter motors, thanks to its reliable performance and electrical insulation. Its C4 clearance allows for thermal expansion in demanding conditions.

For industrial machinery, NJ312-E-XL-M1-F1-J20B-C4 Bearing excels in conveyor systems and pumps, where its high dynamic load rating ensures longevity. The ceramic coating adds an extra layer of protection against electrical currents.

What Makes NJ312-E-XL-M1-F1-J20B-C4 Bearing a Preferred Choice?
NJ312-E-XL-M1-F1-J20B-C4 Bearing is ideal for wind turbines, where electrical insulation and high load capacity are crucial. Its robust design handles both radial and axial loads effectively.

In robotics, NJ312-E-XL-M1-F1-J20B-C4 Bearing provides precise movement in joints and actuators. The ceramic-coated outer ring reduces the risk of electrical arcing, ensuring consistent performance.

For medical imaging devices, NJ312-E-XL-M1-F1-J20B-C4 Bearing offers quiet and reliable operation. The brass cage minimises friction, making it suitable for high-precision applications.

Optimized for Performance: NJ312-E-XL-M1-F1-J20B-C4 Bearing
NJ312-E-XL-M1-F1-J20B-C4 Bearing is a go-to choice for CNC machines, where its electrical insulation prevents damage from stray currents. The high reference speed ensures efficiency in fast-moving parts.

In railway applications, NJ312-E-XL-M1-F1-J20B-C4 Bearing withstands heavy loads and vibrations. Its C4 clearance accommodates thermal expansion, making it reliable in varying temperatures.

For household appliances like washing machines, NJ312-E-XL-M1-F1-J20B-C4 Bearing ensures smooth and quiet operation. The ceramic coating adds durability, even in damp environments.

Automotive vs Aerospace: Applications of NJ312-E-XL-M1-F1-J20B-C4 Bearing
In automotive systems, NJ312-E-XL-M1-F1-J20B-C4 Bearing is used in hybrid vehicle motors, where electrical insulation is essential. Its high dynamic load rating handles frequent start-stop cycles.

For aerospace applications, NJ312-E-XL-M1-F1-J20B-C4 Bearing supports auxiliary power units, thanks to its reliability and resistance to electrical interference. The brass cage ensures stability under extreme conditions.

In industrial fans, NJ312-E-XL-M1-F1-J20B-C4 Bearing reduces downtime by preventing electrical damage. Its robust construction makes it suitable for continuous operation in harsh environments.

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