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NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU322-E-M6-C3-SQ77

NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU322-E-M6-C3-SQ77

The NU322-E-M6-C3-SQ77 is an electrically insulated cylindrical roller bearing with a 110mm bore and 240mm outer diameter, designed to prevent electrical currents from damaging equipment. It features a durable brass cage and a special outer ring coating for insulation.

With a dynamic load rating of 530 kN and a static load rating of 540 kN, this bearing handles heavy radial loads efficiently. It operates smoothly at speeds up to 3000 RPM, making it suitable for high-performance applications.

The insulating coating provides a breakdown voltage of 1000-3000 V and an electrical resistance over 2000 MΩ, protecting against electrical erosion. Its C3 radial clearance ensures reliable performance under varying temperatures.

Ideal for electric motors, generators, or wind turbines where electrical insulation is crucial. Compliant with RoHS and REACH standards, it’s a safe and reliable choice for industrial use. Weighing 11.6 kg, it balances strength and practicality.

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Product Parameters

  • Model NU322-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 110.0 mm
  • Outside Diameter 240.0 mm
  • Width 50.0 mm
  • Net Weight 11.6 kg
  • Basic Dynamic Load Rating 530 kN
  • Basic Static Load Rating 540 kN
  • Reference Speed 3000 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 NU322-E-M6-C3-SQ77 dimension drawing
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Features

Why Choose NU322-E-M6-C3-SQ77 Bearing for Precision Tasks?

NU322-E-M6-C3-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical damage in sensitive applications.
Its breakdown voltage ranges from 1000 to 3000 V, ensuring reliable performance in electrically charged environments.

The brass cage maintains precise alignment of rollers, reducing friction and wear.
With a basic dynamic load rating of 530 kN, it handles heavy radial loads effortlessly.

NU322-E-M6-C3-SQ77 Bearing operates smoothly at speeds up to 3000 r/min, balancing speed and durability.
Its C3 radial internal clearance allows for thermal expansion, making it suitable for varying operating conditions.

Application

Industrial Uses of NU322-E-M6-C3-SQ77 Bearing
NU322-E-M6-C3-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents damage from stray currents. The brass cage ensures smooth operation even under high rotational speeds.

Where Is NU322-E-M6-C3-SQ77 Bearing Used?
In wind turbines, NU322-E-M6-C3-SQ77 Bearing handles heavy radial loads while its insulation protects against electrical arcing. Its C3 clearance makes it suitable for applications with thermal expansion.

Built for Heavy-Duty Use: NU322-E-M6-C3-SQ77 Bearing
NU322-E-M6-C3-SQ77 Bearing excels in industrial gearboxes, where its high dynamic load rating ensures long service life. The SQ77 coating provides reliable insulation in harsh environments.

Automotive vs Aerospace: Applications of NU322-E-M6-C3-SQ77 Bearing
In automotive drivetrains, NU322-E-M6-C3-SQ77 Bearing supports high loads, while in aerospace, its insulation is vital for avionics systems. The 50mm width offers stability in compact designs.

Perfect Fit for Automation: NU322-E-M6-C3-SQ77 Bearing
NU322-E-M6-C3-SQ77 Bearing is ideal for robotic arms, where precision and electrical insulation are key. Its 240mm outer diameter provides ample support for repetitive movements.

Q&A

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