lianxidianhua +86 15806631151 send-sms info@sdtflbearing.com
/
/
NKE Electrically Insulated Ball Bearings 6214-M-C4-SQ77
NKE Electrically Insulated Ball Bearings 6214-M-C4-SQ77

NKE Electrically Insulated Ball Bearings 6214-M-C4-SQ77

The NKE 6214-M-C4-SQ77 is an electrically insulated ball bearing with a 70mm bore and 125mm outer diameter, designed to prevent electrical currents from damaging machinery. It features a durable brass cage and a special outer ring coating for insulation.

With a dynamic load rating of 66kN and a static load rating of 44kN, it handles heavy loads efficiently. It can reach speeds up to 10,000 RPM, making it suitable for high-performance applications.

The insulating coating provides a breakdown voltage of 1000-3000V and electrical resistance of 50-200 MΩ, protecting against electrical arcing. Its C4 radial clearance ensures smooth operation under varying conditions.

Ideal for electric motors, generators, and other equipment where electrical insulation is crucial. Compliant with RoHS standards, it’s a reliable choice for industrial and commercial use. Weighing 1.08kg, it balances strength and practicality.

SEND INQUIRY

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Product Parameters

  • Model 6214-M-C4-SQ77
  • Product Category Electrically Insulated Ball Bearings
  • Insulating Coating Types Insulation coating on outer ring
  • Coating Suffix SQ77
  • Manufacturers NKE
  • Bore Diameter 70.0 mm
  • Outside Diameter 125.0 mm
  • Width 24.0 mm
  • Net Weight 1.08 kg
  • Basic Dynamic Load Rating 66.0 kN
  • Basic Static Load Rating 44.0 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

What Makes 6214-M-C4-SQ77 Bearing Suitable for High-Temperature Applications?

6214-M-C4-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical damage in high-temperature environments.
The brass cage ensures stability and reduces friction, even under heavy loads.

With a breakdown voltage of 1000~3000 V, it offers reliable electrical insulation in demanding conditions.
The C4 radial internal clearance allows for thermal expansion, maintaining performance.

Its basic dynamic load rating of 66.0 kN ensures durability in industrial applications.
The coating thickness of 100~500 µm provides consistent insulation over time.

6214-M-C4-SQ77 Bearing’s reference speed of 10000 r/min makes it suitable for high-speed operations.
The electrical resistance of 50~200 MΩ further enhances its reliability in electrically charged environments.

Application

Industrial Uses of 6214-M-C4-SQ77 Bearing
6214-M-C4-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage and reduces damage from stray currents. The brass cage ensures smooth operation even under high-speed conditions.

What Makes 6214-M-C4-SQ77 Bearing a Preferred Choice?
With its high breakdown voltage and electrical resistance, 6214-M-C4-SQ77 Bearing is ideal for wind turbines and industrial drives. The C4 radial clearance allows for thermal expansion in demanding environments.

Perfect Fit for Automation: 6214-M-C4-SQ77 Bearing
In robotic systems, 6214-M-C4-SQ77 Bearing provides reliable performance due to its insulation and durability. The coating also helps extend bearing life in applications with frequent electrical interference.

Medical vs Industrial: Where 6214-M-C4-SQ77 Bearing Excels
While 6214-M-C4-SQ77 Bearing is suitable for medical imaging devices, its primary strength lies in industrial settings like CNC machines. The combination of insulation and high load capacity makes it versatile.

How Does 6214-M-C4-SQ77 Bearing Support High-Speed Operations?
6214-M-C4-SQ77 Bearing handles speeds up to 10000 r/min, making it a great fit for spindle applications. The brass cage and C4 clearance ensure stability and reduce friction at high RPMs.

Q&A

SEND INQUIRY

"*" indicates required fields

This field is for validation purposes and should be left unchanged.