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NKE Electrically Insulated Single Row Cylindrical Roller Bearing NJ213-E-M6-SQ77

NKE Electrically Insulated Single Row Cylindrical Roller Bearing NJ213-E-M6-SQ77

The NJ213-E-M6-SQ77 is an electrically insulated cylindrical roller bearing, measuring 65mm in bore diameter and 120mm outside diameter, with a width of 23mm. Its outer ring features a special insulation coating to prevent electrical currents from damaging the bearing.

This bearing can handle dynamic loads up to 122 kN and operates smoothly at speeds up to 6300 RPM. The brass cage ensures durability and reduces friction during high-speed rotation.

With a breakdown voltage of 1000-3000V and electrical resistance over 2000 MΩ, it’s ideal for electric motors or generators where stray currents are a concern. The insulation coating is more than 0.125mm thick for reliable protection.

Weighing 1.05kg, it’s a sturdy choice for industrial applications. Compliant with RoHS and REACH standards, it’s both safe and environmentally friendly.

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Product Parameters

  • Model NJ213-E-M6-SQ77
  • Product Category Electrically Insulated Single Row Cylindrical Roller Bearing
  • Insulating Coating Types Insulation coating on outer ring
  • Coating Suffix SQ77
  • Manufacturers NKE
  • Bore Diameter 65.0 mm
  • Outside Diameter 120.0 mm
  • Width 23.0 mm
  • Net Weight 1.05 kg
  • Basic Dynamic Load Rating 122 kN
  • Basic Static Load Rating 118 kN
  • Reference Speed 6300 r/min
  • Breakdown Voltage (DC) 1000 ~3000 V
  • Layer Thickness > 0.125 mm
  • Electrical Resistance > 2,000 MΩ
  • Cage Material Brass cage
  • Radial Internal Clearance Normal Clearance (Cn)
  • ROHS Compliant
  • REACH Compliant
NKE Electrically Insulated Single Row Cylindrical Roller Bearing NJ213-E-M6-SQ77 dimension drawing
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Features

How Is NJ213-E-M6-SQ77 Bearing Engineered for Reliability?

NJ213-E-M6-SQ77 Bearing features an insulation coating on the outer ring, preventing electrical damage in high-voltage environments.
The brass cage ensures smooth operation and reduces friction, enhancing overall performance.

With a basic dynamic load rating of 122 kN, NJ213-E-M6-SQ77 Bearing handles heavy radial loads efficiently.
Its breakdown voltage ranges from 1000 to 3000 V, making it suitable for electrically demanding applications.

The normal radial internal clearance ensures reliable performance under varying operational conditions.
NJ213-E-M6-SQ77 Bearing’s reference speed of 6300 r/min balances speed and durability.

Application

Industrial Uses of NJ213-E-M6-SQ77 Bearing
NJ213-E-M6-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current passage and reduces damage from stray currents. The brass cage ensures smooth operation even under high rotational speeds.

Where Is NJ213-E-M6-SQ77 Bearing Used?
In wind turbines, NJ213-E-M6-SQ77 Bearing handles radial loads efficiently while its insulation protects against electrical erosion. Its robust design makes it suitable for harsh outdoor conditions.

Optimized for Performance: NJ213-E-M6-SQ77 Bearing
For railway applications, NJ213-E-M6-SQ77 Bearing offers reliable performance in traction motors, where electrical insulation is critical. The normal radial clearance ensures consistent operation under varying temperatures.

Automotive vs Aerospace: Applications of NJ213-E-M6-SQ77 Bearing
In automotive alternators, NJ213-E-M6-SQ77 Bearing provides durability and electrical safety. Meanwhile, aerospace systems benefit from its high-speed capabilities and insulation properties.

Essential Roles of NJ213-E-M6-SQ77 Bearing
NJ213-E-M6-SQ77 Bearing is ideal for industrial pumps, where its coating resists electrical corrosion. The high dynamic load rating ensures long service life in demanding environments.

Q&A

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