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NKE Electrically Insulated Ball Bearings 6313-M-C4-SQ77
NKE Electrically Insulated Ball Bearings 6313-M-C4-SQ77

NKE Electrically Insulated Ball Bearings 6313-M-C4-SQ77

The 6313-M-C4-SQ77 is an electrically insulated ball bearing with a 65mm bore and 140mm outer diameter, designed to handle both radial and axial loads. Its outer ring features a special coating to prevent electrical currents from passing through.

With a dynamic load rating of 97.5 kN and a static load rating of 60 kN, it can handle heavy-duty applications while spinning smoothly at speeds up to 10,000 RPM. The brass cage ensures durability and stable performance.

The insulating coating provides a breakdown voltage of 1000-3000V and electrical resistance of 50-200 MΩ, making it ideal for electric motors or generators. Its C4 radial clearance allows for thermal expansion in high-speed operations.

Weighing 2.13kg, this RoHS-compliant bearing is a reliable choice for industries where electrical insulation is crucial, such as wind turbines or industrial machinery.

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Product Parameters

  • Model 6313-M-C4-SQ77
  • Product Category Electrically Insulated Ball Bearings
  • Insulating Coating Types Insulation coating on outer ring
  • Coating Suffix SQ77
  • Manufacturers NKE
  • Bore Diameter 65.0 mm
  • Outside Diameter 140.0 mm
  • Width 33.0 mm
  • Net Weight 2.13 kg
  • Basic Dynamic Load Rating 97.5 kN
  • Basic Static Load Rating 60.0 kN
  • Reference Speed 10000 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 6313-M-C4-SQ77 Bearing Engineered for Reliability?

6313-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, even at high speeds up to 10,000 r/min.
With a basic dynamic load rating of 97.5 kN, it handles heavy loads reliably.
Its breakdown voltage ranges from 1000 to 3000 V, making it suitable for electrically demanding applications.

Application

Industrial Uses of 6313-M-C4-SQ77 Bearing
6313-M-C4-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage and reduces bearing damage. The brass cage ensures smooth operation even in high-speed environments.

What Makes 6313-M-C4-SQ77 Bearing a Preferred Choice?
With its high breakdown voltage and electrical resistance, 6313-M-C4-SQ77 Bearing is ideal for wind turbines and industrial drives. The C4 radial clearance allows for thermal expansion in demanding applications.

Built for Heavy-Duty Use: 6313-M-C4-SQ77 Bearing
In conveyor systems and pumps, 6313-M-C4-SQ77 Bearing handles heavy loads while maintaining electrical insulation. Its durable construction ensures long service life even in harsh conditions.

Automotive vs Aerospace: Applications of 6313-M-C4-SQ77 Bearing
In automotive alternators, 6313-M-C4-SQ77 Bearing prevents electrical arcing, while in aerospace applications, its lightweight design and insulation are key. The coating also resists corrosion in varied environments.

Perfect Fit for Automation: 6313-M-C4-SQ77 Bearing
6313-M-C4-SQ77 Bearing is well-suited for robotic arms and CNC machinery, where electrical insulation and precision are critical. The high dynamic load rating supports consistent performance under stress.

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