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NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU216-E-M6-SQ77

NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU216-E-M6-SQ77

The NU216-E-M6-SQ77 is an electrically insulated cylindrical roller bearing with an 80mm bore and 140mm outer diameter, designed to prevent electrical currents from damaging machinery. It features a durable brass cage and a special outer ring coating for insulation.

With a dynamic load rating of 160 kN and a static load rating of 166 kN, it handles heavy radial loads efficiently. The bearing can operate at speeds up to 5300 RPM and withstands breakdown voltages between 1000 to 3000 V.

The insulation coating, with a thickness over 0.125mm and resistance exceeding 2000 MΩ, ensures reliable performance in electrically noisy environments. Its normal radial clearance provides smooth operation under typical conditions.

Ideal for electric motors, generators, or wind turbines where electrical insulation is crucial. Compliant with RoHS and REACH standards, it’s a safe and robust choice for industrial applications. Weighing 1.54kg, it balances strength and practicality.

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Product Parameters

  • Model NU216-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 80.0 mm
  • Outside Diameter 140.0 mm
  • Width 26.0 mm
  • Net Weight 1.54 kg
  • Basic Dynamic Load Rating 160 kN
  • Basic Static Load Rating 166 kN
  • Reference Speed 5300 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 NU216-E-M6-SQ77 dimension drawing
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Features

How Is NU216-E-M6-SQ77 Bearing Engineered for Reliability?

NU216-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, even at high speeds up to 5300 r/min.

With a basic dynamic load rating of 160 kN, NU216-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 insulation layer thickness exceeds 0.125 mm, providing reliable protection against electrical currents.
NU216-E-M6-SQ77 Bearing’s electrical resistance is over 2000 MΩ, ensuring long-term performance in challenging conditions.

Application

Industrial Uses of NU216-E-M6-SQ77 Bearing
NU216-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.

What Makes NU216-E-M6-SQ77 Bearing a Preferred Choice?
In wind turbines, NU216-E-M6-SQ77 Bearing handles radial loads efficiently while its insulation protects against electrical erosion. Its robust design makes it suitable for harsh environments with varying temperatures.

Perfect Fit for Automation: NU216-E-M6-SQ77 Bearing
NU216-E-M6-SQ77 Bearing works well in robotic arms and CNC machines, offering reliable performance with minimal maintenance. The normal radial clearance ensures consistent operation under dynamic loads.

Medical vs Industrial: Where NU216-E-M6-SQ77 Bearing Excels
NU216-E-M6-SQ77 Bearing is ideal for medical imaging devices, where electrical insulation is crucial. In industrial settings, it supports conveyor systems and pumps with equal efficiency.

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