+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU318-E-M6-C3-SQ77

NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU318-E-M6-C3-SQ77

The NU318-E-M6-C3-SQ77 is an electrically insulated cylindrical roller bearing with a 90mm bore and 190mm outer diameter, designed to handle heavy radial loads up to 365 kN. Its brass cage and C3 clearance ensure smooth operation at speeds up to 3800 RPM.

The outer ring features a special SQ77 coating, providing electrical insulation with a breakdown voltage of 1000-3000V. This helps prevent damage from stray currents in motors or generators.

With a width of 43mm and weighing 5.4kg, it’s a sturdy choice for industrial applications. The coating also offers high electrical resistance, over 2000 MΩ, ensuring reliable performance.

Ideal for use in electric motors, wind turbines, or any equipment where electrical insulation is needed. Compliant with RoHS and REACH standards for safe and eco-friendly use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Model NU318-E-M6-C3-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 90.0 mm
  • Outside Diameter 190.0 mm
  • Width 43.0 mm
  • Net Weight 5.4 kg
  • Basic Dynamic Load Rating 365 kN
  • Basic Static Load Rating 360 kN
  • Reference Speed 3800 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 C3
  • ROHS Compliant
  • REACH Compliant
NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU318-E-M6-C3-SQ77 dimension drawing
Download DWG Download PDF

Features

How Does NU318-E-M6-C3-SQ77 Bearing Prevent Electrical Damage?

NU318-E-M6-C3-SQ77 Bearing features an insulating coating on the outer ring, protecting against electrical currents up to 3000 V.
This design prevents damage from stray currents, making it ideal for electric motors and generators.
The brass cage ensures smooth operation, while the C3 radial clearance accommodates thermal expansion.
With a dynamic load rating of 365 kN, it delivers reliable performance in demanding applications.

Application

Industrial Uses of NU318-E-M6-C3-SQ77 Bearing
NU318-E-M6-C3-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage and reduces arcing risks. The brass cage ensures smooth operation even under high rotational speeds.

In wind turbine applications, NU318-E-M6-C3-SQ77 Bearing handles heavy radial loads while maintaining electrical insulation, crucial for preventing damage from stray currents. Its C3 clearance allows for thermal expansion in variable operating conditions.

For industrial pumps and compressors, NU318-E-M6-C3-SQ77 Bearing offers reliable performance with its high dynamic load rating. The insulation coating also extends service life by protecting against electrical erosion in harsh environments.

Automotive vs Aerospace: Applications of NU318-E-M6-C3-SQ77 Bearing
In automotive systems, NU318-E-M6-C3-SQ77 Bearing is ideal for hybrid vehicle drivetrains, where electrical insulation is essential. Its robust design ensures durability under continuous vibration and load changes.

Aerospace applications benefit from NU318-E-M6-C3-SQ77 Bearing’s ability to withstand high speeds and electrical isolation. The precise engineering meets the stringent reliability standards required in flight systems.

What Makes NU318-E-M6-C3-SQ77 Bearing a Preferred Choice?
NU318-E-M6-C3-SQ77 Bearing stands out in robotics and automation due to its combination of electrical insulation and high load capacity. The brass cage reduces friction, enhancing efficiency in repetitive movements.

For medical imaging devices, NU318-E-M6-C3-SQ77 Bearing’s insulation properties ensure interference-free operation. Its consistent performance is vital for maintaining accuracy in diagnostic equipment.

Q&A

SEND INQUIRY