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NSK Ceramic-Coated Insulated Ball Bearings 6318HDY2C3
NSK Ceramic-Coated Insulated Ball Bearings 6318HDY2C3

NSK Ceramic-Coated Insulated Ball Bearings 6318HDY2C3

The NSK 6318HDY2C3 is a ceramic-coated insulated ball bearing with a 90mm bore and 190mm outer diameter, designed for electrical insulation. It handles dynamic loads up to 151kN and spins smoothly at speeds up to 7500 RPM.

Its outer ring features a ceramic coating with a thickness of 100-500µm, providing excellent insulation with a breakdown voltage of 1000V. The sheet metal cage ensures durability and reliable performance.

This bearing is ideal for electric motors or generators where electrical insulation is crucial. With a C3 radial clearance, it accommodates thermal expansion in demanding conditions.

Weighing 4.911kg, it’s robust yet efficient for industrial applications. Compliant with RoHS standards for safe and eco-friendly use.

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Product Parameters

  • Model 6318HDY2C3
  • Product Category Ceramic-Coated Insulated Ball Bearings
  • Coating Suffix HDY2
  • Insulating Coating Types Outer ring ceramic coated
  • Manufacturers NSK
  • Bore Diameter 90.0 mm
  • Outside Diameter 190.0 mm
  • Width 43.0 mm
  • Net Weight 4.911 kg
  • Basic Dynamic Load Rating 151.0 kN
  • Basic Static Load Rating 108.0 kN
  • Reference Speed 7500.0 r/min
  • Breakdown Voltage (DC) Breakdown Voltage 1000v
  • Layer Thickness 100~500 µm
  • Electrical Resistance 50~200 MΩ
  • Cage Material Sheet metal
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant

Features

How Does 6318HDY2C3 Bearing Resist Wear?

6318HDY2C3 Bearing features a ceramic-coated outer ring, providing excellent insulation and resistance to electrical damage.
The coating thickness ranges from 100 to 500 µm, ensuring durability in high-voltage environments.

With a basic dynamic load rating of 151 kN, 6318HDY2C3 Bearing handles heavy loads while maintaining smooth operation.
Its sheet metal cage keeps the balls aligned, reducing friction and extending service life.

Designed for high-speed applications, 6318HDY2C3 Bearing achieves a reference speed of 7,500 r/min.
The C3 radial internal clearance ensures reliable performance under varying thermal conditions.

Application

Industrial Uses of 6318HDY2C3 Bearing
6318HDY2C3 Bearing is commonly used in electric motors and generators, where its ceramic coating prevents electrical arcing and extends service life. The C3 radial clearance ensures smooth operation even under thermal expansion.

What Makes 6318HDY2C3 Bearing a Preferred Choice?
With its high dynamic load rating, 6318HDY2C3 Bearing handles heavy loads in industrial fans and pumps effortlessly. The sheet metal cage provides durability while maintaining low friction.

Perfect Fit for Automation: 6318HDY2C3 Bearing
In robotic arms and CNC machinery, 6318HDY2C3 Bearing offers reliable performance thanks to its insulated coating. The breakdown voltage protection makes it ideal for high-voltage environments.

Medical vs Industrial: Where 6318HDY2C3 Bearing Excels
While suitable for MRI machines due to its non-magnetic properties, 6318HDY2C3 Bearing also shines in industrial mixers. Its ceramic coating resists corrosion in harsh chemical environments.

Essential Roles of 6318HDY2C3 Bearing
6318HDY2C3 Bearing supports wind turbine generators by withstanding both radial and axial loads. The high reference speed ensures efficiency in renewable energy applications.

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