+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
NKE Electrically Insulated Ball Bearings 6320-M-C3-SQ77E

NKE Electrically Insulated Ball Bearings 6320-M-C3-SQ77E

The 6320-M-C3-SQ77E is an electrically insulated ball bearing with a 100mm bore and 215mm outer diameter, designed to prevent electrical currents from damaging machinery. Its inner ring features a ceramic coating, providing insulation with a breakdown voltage of 1000-3000V.

This bearing handles dynamic loads up to 182kN and spins smoothly at speeds up to 6700 RPM. The brass cage ensures durability, while the C3 radial clearance allows for thermal expansion in demanding conditions.

The ceramic coating offers high electrical resistance (50-200 MΩ), making it ideal for electric motors or generators. Its robust design suits industrial applications where electrical insulation is crucial.

Weighing 7.56kg, it’s a reliable choice for heavy-duty use. Compliant with RoHS standards, it’s both safe and long-lasting.

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

Product Parameters

  • Model 6320-M-C3-SQ77E
  • Product Category Electrically Insulated Ball Bearings
  • Insulating Coating Types Inner ring ceramic coated
  • Coating Suffix SQ77E
  • Manufacturers NKE
  • Bore Diameter 100.0 mm
  • Outside Diameter 215.0 mm
  • Width 47.0 mm
  • Net Weight 7.56 kg
  • Basic Dynamic Load Rating 182.0 kN
  • Basic Static Load Rating 140.0 kN
  • Reference Speed 6700.0 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
NKE Electrically Insulated Ball Bearings 6320-M-C3-SQ77E dimension drawing
Download DWG Download PDF

Features

How Is 6320-M-C3-SQ77E Bearing Engineered for Reliability?

6320-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, enhancing durability.
With a breakdown voltage of 1000-3000 V, it offers reliable performance in electrically demanding environments.

Why Choose 6320-M-C3-SQ77E Bearing for Precision Tasks?

6320-M-C3-SQ77E Bearing has a high basic dynamic load rating of 182.0 kN, suitable for heavy-duty applications.
Its C3 radial internal clearance allows for thermal expansion, ensuring stable performance.
The ceramic coating provides electrical resistance of 50-200 MΩ, reducing the risk of damage from currents.
This makes it a dependable choice for precision machinery and industrial equipment.

Built for Durability: 6320-M-C3-SQ77E Bearing

6320-M-C3-SQ77E Bearing’s ceramic-coated inner ring resists wear, even in harsh conditions.
The brass cage maintains ball alignment, contributing to long service life.
With a reference speed of 6700 r/min, it delivers efficient performance without compromising reliability.
Its robust design ensures consistent operation in demanding industrial settings.

Steel vs Ceramic Bearings: Strengths of 6320-M-C3-SQ77E Bearing

6320-M-C3-SQ77E Bearing combines the strength of steel with the insulating properties of ceramic.
The ceramic coating on the inner ring prevents electrical damage, while the steel structure handles heavy loads.
This hybrid design offers both durability and electrical safety.
It is a practical solution for applications where electrical insulation is crucial.

Application

Key Fields for 6320-M-C3-SQ77E Bearing
The 6320-M-C3-SQ77E Bearing is widely used in industrial motors and generators, where electrical insulation is crucial to prevent current leakage. Its ceramic-coated inner ring ensures reliable performance in high-voltage environments.

In wind turbine applications, 6320-M-C3-SQ77E Bearing handles both radial and axial loads while resisting electrical arcing. The brass cage adds durability, making it suitable for long-term use in harsh conditions.

For railway traction systems, 6320-M-C3-SQ77E Bearing’s high breakdown voltage protects against electrical damage. Its C3 clearance allows for thermal expansion, ensuring stable operation under varying temperatures.

In electric vehicle drivetrains, 6320-M-C3-SQ77E Bearing reduces energy loss by preventing stray currents. The coating’s consistent electrical resistance maintains efficiency over time.

Medical imaging devices benefit from 6320-M-C3-SQ77E Bearing’s precise rotation and insulation properties. The ceramic layer ensures smooth, interference-free operation in sensitive equipment.

Q&A

SEND INQUIRY