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Electrically Insulated Single Row Cylindrical Roller Bearings NU 1018 M/C4VA3091
Electrically Insulated Single Row Cylindrical Roller Bearings NU 1018 M/C4VA3091

Electrically Insulated Single Row Cylindrical Roller Bearings NU 1018 M/C4VA3091

The NU 1018 M/C4VA3091 is an electrically insulated cylindrical roller bearing, measuring 90mm by 140mm by 24mm. It features a robust insulation coating to prevent electrical currents from damaging the bearing.

With a dynamic load rating of 80.9 kN and a static load rating of 104 kN, it handles heavy radial loads smoothly. The bearing can reach speeds up to 5600 RPM, making it suitable for high-speed applications.

The machined brass cage ensures durability, while the C4 radial clearance allows for thermal expansion. Its insulation can withstand voltages from 1000 to 3000 VDC, with a minimum resistance of 50MΩ.

Ideal for electric motors or generators, this bearing prevents electrical arcing. Compliant with RoHS and REACH standards, it’s a reliable choice for industrial and automotive uses. Weighing 1.33kg, it balances strength and practicality.

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Product Parameters

  • Model NU 1018 M/C4VA3091
  • Product Category Electrically Insulated Single Row Cylindrical Roller Bearings
  • Insulating Coating Types Insulation coating
  • Coating Suffix VA3091
  • Manufacturers TFL
  • Bore Diameter 90.0 mm
  • Outside Diameter 140.0 mm
  • Width 24.0 mm
  • Net Weight 1.33 kg
  • Basic Dynamic Load Rating 80.9 kN
  • Basic Static Load Rating 104.0 kN
  • Reference Speed 5600.0r/min
  • Breakdown Voltage (DC) 1000 VDC to 3000 VDC
  • Layer Thic kNess 500 µm
  • Electrical Resistance Min. 50MΩ
  • Cage Material Machined brass
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant

Features

How Is NU 1018 M/C4VA3091 Bearing Engineered for Reliability?

NU 1018 M/C4VA3091 Bearing features an insulating coating, providing protection against electrical currents up to 3000 VDC.
Its machined brass cage ensures smooth operation and reduces wear, even at high speeds.
With a basic dynamic load rating of 80.9 kN, it handles heavy loads reliably.
The C4 radial internal clearance allows for thermal expansion, making it suitable for various industrial applications.

Application

Industrial Uses of NU 1018 M/C4VA3091 Bearing
NU 1018 M/C4VA3091 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage and reduces arcing risks. The machined brass cage ensures smooth operation even under high rotational speeds.

What Makes NU 1018 M/C4VA3091 Bearing a Preferred Choice?
In wind turbines, NU 1018 M/C4VA3091 Bearing handles radial loads efficiently while its insulation protects against stray currents. The C4 radial clearance allows for thermal expansion in demanding environments.

Perfect Fit for Automation: NU 1018 M/C4VA3091 Bearing
NU 1018 M/C4VA3091 Bearing works well in robotic arms, where its high dynamic load rating supports precise movements. The VA3091 coating ensures reliable performance in electrically noisy settings.

Medical vs Industrial: Where NU 1018 M/C4VA3091 Bearing Excels
NU 1018 M/C4VA3091 Bearing is suitable for medical imaging devices, offering quiet operation and electrical safety. In industrial pumps, it provides durability and resistance to electrical damage.

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