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NKE Electrically Insulated Ball Bearings 6224-M-C4-SQ77
NKE Electrically Insulated Ball Bearings 6224-M-C4-SQ77

NKE Electrically Insulated Ball Bearings 6224-M-C4-SQ77

The NKE 6224-M-C4-SQ77 is an electrically insulated ball bearing with a 120mm bore and 215mm outer diameter, designed to handle high loads and speeds. Its outer ring features a special coating to prevent electrical currents from passing through.

With a dynamic load rating of 146kN and a reference speed of 6300 RPM, it performs well in demanding conditions. The brass cage ensures smooth operation and durability.

The insulation coating provides a breakdown voltage of 1000-3000V, making it ideal for electric motors or generators. It’s also RoHS compliant for safe use in various industries.

Weighing 1.26kg, this bearing is robust yet manageable for installation in medium to large machinery. Its C4 radial clearance offers flexibility in high-temperature applications.

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Product Parameters

  • Model 6224-M-C4-SQ77
  • Product Category Electrically Insulated Ball Bearings
  • Insulating Coating Types Insulation coating on outer ring
  • Coating Suffix SQ77
  • Manufacturers NKE
  • Bore Diameter 120.0 mm
  • Outside Diameter 215.0 mm
  • Width 40.0 mm
  • Net Weight 1.26 kg
  • Basic Dynamic Load Rating 146.0 kN
  • Basic Static Load Rating 118.0 kN
  • Reference Speed 6300.0 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 C4
  • ROHS Compliant
  • REACH Compliant

Features

How Is 6224-M-C4-SQ77 Bearing Engineered for Reliability?

6224-M-C4-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical damage in high-voltage environments.
The brass cage ensures smooth operation and reduces friction, enhancing overall performance.
With a basic dynamic load rating of 146.0 kN, it handles heavy loads efficiently.
Its breakdown voltage ranges from 1000 to 3000 V, making it suitable for electrically demanding applications.

Application

Industrial Uses of 6224-M-C4-SQ77 Bearing
The 6224-M-C4-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage. This makes it ideal for industries dealing with high-voltage equipment.

Why Is 6224-M-C4-SQ77 Bearing Essential in Machinery?
In wind turbines, 6224-M-C4-SQ77 Bearing handles high dynamic loads while maintaining electrical insulation. Its brass cage ensures smooth operation even under varying weather conditions.

Perfect Fit for Automation: 6224-M-C4-SQ77 Bearing
For robotic arms in automated factories, 6224-M-C4-SQ77 Bearing offers reliable performance with minimal electrical interference. The C4 clearance allows for thermal expansion during continuous use.

Medical vs Industrial: Where 6224-M-C4-SQ77 Bearing Excels
While 6224-M-C4-SQ77 Bearing is great for industrial pumps, it also suits medical imaging devices needing electrical insulation. The coating ensures safety in sensitive environments.

Where to Use 6224-M-C4-SQ77 Bearing
In railway systems, 6224-M-C4-SQ77 Bearing supports traction motors, combining durability with electrical safety. Its high breakdown voltage makes it a dependable choice for transport applications.

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