lianxidianhua +86 15806631151 send-sms info@sdtflbearing.com
/
/
NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU230-E-M6-SQ77
NKE Electrically Insulated Single Row Cylindrical Roller Bearing  NU230-E-M6-SQ77

NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU230-E-M6-SQ77

The NU230-E-M6-SQ77 is an electrically insulated cylindrical roller bearing with a 150mm bore and 270mm outer diameter, designed to prevent electrical currents from damaging machinery. Its robust construction handles dynamic loads up to 510 kN and static loads up to 600 kN.

The outer ring features a special insulating coating (SQ77) with a breakdown voltage of 1000-3000V, ideal for preventing electrical arcing. The brass cage ensures smooth operation even at high speeds, up to 2600 RPM.

With a normal radial clearance and a width of 45mm, this bearing is suitable for heavy-duty applications like motors or generators. It weighs 11.8kg and complies with RoHS and REACH standards for environmental safety.

SEND INQUIRY

"*" indicates required fields

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

Product Parameters

  • Model NU230-E-M6-SQ77
  • Product Category Electrically Insulated Single Row Cylindrical Roller Bearing
  • Insulating Coating Types Insulation coating on outer ring
  • Coating Suffix SQ77
  • Manufacturers NKE
  • Bore Diameter 150.0 mm
  • Outside Diameter 270.0 mm
  • Width 45.0 mm
  • Net Weight 11.8 kg
  • Basic Dynamic Load Rating 510 kN
  • Basic Static Load Rating 600 kN
  • Reference Speed 2600 r/min
  • Breakdown Voltage (DC) 1000 ~3000 V
  • Layer Thickness > 0.125 mm
  • Electrical Resistance > 2,000 MΩ
  • Cage Material Brass cage
  • Radial Internal Clearance Normal Clearance (Cn)
  • ROHS Compliant
  • REACH Compliant

Features

How Is NU230-E-M6-SQ77 Bearing Engineered for Reliability?

NU230-E-M6-SQ77 Bearing features an insulation coating on the outer ring, preventing electrical damage in high-voltage environments.
Its breakdown voltage ranges from 1000 to 3000 V, ensuring safe operation in electrically charged applications.
The brass cage enhances durability and maintains proper roller alignment under heavy loads.
With a basic dynamic load rating of 510 kN, it delivers consistent performance in demanding conditions.

What Makes NU230-E-M6-SQ77 Bearing Suitable for High-Temperature Applications?

NU230-E-M6-SQ77 Bearing’s insulation coating resists electrical currents while maintaining structural integrity.
The brass cage withstands high temperatures, ensuring reliable operation in industrial settings.
Its electrical resistance exceeds 2000 MΩ, providing excellent insulation properties.
With a reference speed of 2600 r/min, it balances speed and stability.

Designed for Durability: NU230-E-M6-SQ77 Bearing

NU230-E-M6-SQ77 Bearing’s robust construction includes a brass cage for enhanced strength and longevity.
The normal radial clearance ensures smooth operation under varying load conditions.
Its static load rating of 600 kN makes it suitable for heavy-duty applications.
The insulation coating adds an extra layer of protection against electrical damage.

Steel vs Ceramic Bearings: Strengths of NU230-E-M6-SQ77 Bearing

NU230-E-M6-SQ77 Bearing combines chrome steel rollers with a brass cage for optimal performance.
The insulation coating on the outer ring sets it apart from standard bearings in electrical applications.
Its layer thickness exceeds 0.125 mm, ensuring reliable insulation.
With a net weight of 11.8 kg, it remains manageable for industrial use.

Application

Industrial Uses of NU230-E-M6-SQ77 Bearing
NU230-E-M6-SQ77 Bearing is commonly used in industrial motors and generators, where its electrically insulated coating prevents current passage and reduces damage from stray currents. The brass cage ensures smooth operation even under high radial loads.

In wind turbine applications, NU230-E-M6-SQ77 Bearing handles the demanding conditions of gearboxes and main shafts. Its high dynamic load rating makes it suitable for continuous operation in harsh environments.

For railway traction motors, NU230-E-M6-SQ77 Bearing’s insulation properties protect against electrical erosion, extending service life. The normal radial clearance allows for thermal expansion during prolonged use.

Automotive vs Aerospace: Applications of NU230-E-M6-SQ77 Bearing
In electric vehicles, NU230-E-M6-SQ77 Bearing supports traction motors, where its insulation coating is vital for preventing electrical damage. The high breakdown voltage ensures reliability in high-power systems.

For aerospace applications, NU230-E-M6-SQ77 Bearing is used in auxiliary power units, where its lightweight design and electrical resistance are key advantages. The brass cage provides durability under varying temperatures.

Q&A

SEND INQUIRY

"*" indicates required fields

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