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NKE Electrically Insulated Ball Bearings 6332-M-C3-SQ77E
NKE Electrically Insulated Ball Bearings 6332-M-C3-SQ77E

NKE Electrically Insulated Ball Bearings 6332-M-C3-SQ77E

The 6332-M-C3-SQ77E is an electrically insulated ball bearing with a 160mm bore and 340mm outer diameter, designed to handle both radial and axial loads. Its ceramic-coated inner ring provides insulation against electrical currents, making it ideal for electric motors.

With a dynamic load rating of 276kN and a static load rating of 285kN, this bearing offers reliable performance under heavy loads. It can reach speeds up to 4000 RPM and operates efficiently in various conditions.

The brass cage ensures smooth rotation and durability, while the C3 radial clearance allows for thermal expansion. The insulation layer can withstand voltages from 1000 to 3000V, with an electrical resistance of 50-200 MΩ.

Perfect for use in electric motors, generators, and other applications where electrical insulation is crucial. Compliant with ROHS standards, it’s a safe and durable choice for industrial use. Weighing 31kg, it’s robust yet manageable for its size.

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Product Parameters

  • Model 6332-M-C3-SQ77E
  • Product Category Electrically Insulated Ball Bearings
  • Insulating Coating Types Inner ring ceramic coated
  • Coating Suffix SQ77E
  • Manufacturers NKE
  • Bore Diameter 160.0 mm
  • Outside Diameter 340.0 mm
  • Width 68.0 mm
  • Net Weight 31 kg
  • Basic Dynamic Load Rating 276.0 kN
  • Basic Static Load Rating 285.0 kN
  • Reference Speed 4000.0 r/min
  • Breakdown Voltage (DC) 1000 ~3000 V
  • Layer Thickness 100~500 µm
  • Electrical Resistance 50~200 MΩ
  • Cage Material Brass cage
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant

Features

How Is 6332-M-C3-SQ77E Bearing Engineered for Reliability?

6332-M-C3-SQ77E Bearing features an inner ring ceramic coating, providing excellent electrical insulation.
This design prevents electrical arcing, making it ideal for applications with stray currents.
The brass cage ensures smooth operation and reduces friction, even at high speeds.
With a basic dynamic load rating of 276.0 kN, it handles heavy loads reliably.

What Makes 6332-M-C3-SQ77E Bearing Suitable for High-Temperature Applications?

6332-M-C3-SQ77E Bearing’s ceramic coating withstands high temperatures, maintaining performance in demanding conditions.
The C3 radial internal clearance allows for thermal expansion, ensuring consistent operation.
Its breakdown voltage ranges from 1000 to 3000 V, offering protection in electrically harsh environments.
The brass cage further enhances durability and reduces wear over time.

Built for Reliability: 6332-M-C3-SQ77E Bearing

6332-M-C3-SQ77E Bearing is designed with a ceramic-coated inner ring, providing electrical insulation.
The brass cage keeps the balls aligned, ensuring smooth and quiet operation.
With a reference speed of 4000 r/min, it delivers efficient performance in various applications.
Its high electrical resistance (50~200 MΩ) makes it suitable for environments with electrical interference.

Steel vs Ceramic Bearings: Strengths of 6332-M-C3-SQ77E Bearing

6332-M-C3-SQ77E Bearing combines the strength of steel with the insulation of ceramic coating.
The ceramic layer prevents electrical damage, while the steel structure ensures load-bearing capacity.
Its basic static load rating of 285.0 kN makes it reliable for heavy-duty applications.
The brass cage adds to its longevity, reducing maintenance needs.

Application

Industrial Uses of 6332-M-C3-SQ77E Bearing
6332-M-C3-SQ77E Bearing is commonly used in electric motors and generators, where its ceramic coating prevents electrical arcing and extends service life. The brass cage ensures smooth rotation even under high loads.

What Makes 6332-M-C3-SQ77E Bearing a Preferred Choice?
In wind turbines, 6332-M-C3-SQ77E Bearing handles both radial and axial loads while resisting electrical corrosion. Its C3 clearance allows for thermal expansion, making it ideal for variable-speed applications.

Perfect Fit for Automation: 6332-M-C3-SQ77E Bearing
For robotic arms in manufacturing, 6332-M-C3-SQ77E Bearing offers reliable performance with minimal electrical interference. The high dynamic load rating ensures durability in continuous operation.

Medical vs Industrial: Where 6332-M-C3-SQ77E Bearing Excels
In medical imaging devices, 6332-M-C3-SQ77E Bearing’s insulation properties prevent signal disruption. Industrial pumps benefit from its ability to withstand harsh environments and electrical currents.

Essential Roles of 6332-M-C3-SQ77E Bearing
6332-M-C3-SQ77E Bearing is a go-to for railway traction motors, where electrical insulation is critical. The ceramic layer’s breakdown voltage range provides added safety in high-voltage scenarios.

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