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NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU213-E-M6-C3-SQ77
NKE Electrically Insulated Single Row Cylindrical Roller Bearing  NU213-E-M6-C3-SQ77

NKE Electrically Insulated Single Row Cylindrical Roller Bearing NU213-E-M6-C3-SQ77

The NU213-E-M6-C3-SQ77 is an electrically insulated cylindrical roller bearing, measuring 65mm in bore diameter and 120mm outside diameter, with a width of 23mm. Its outer ring features a special insulation coating to prevent electrical currents from damaging the bearing.

With a dynamic load rating of 122kN and a static load rating of 118kN, it handles heavy radial loads efficiently. The brass cage ensures smooth operation at speeds up to 6300 RPM, while the C3 clearance allows for thermal expansion.

The SQ77 coating provides a breakdown voltage of 1000-3000V and an electrical resistance over 2000 MΩ, making it ideal for electric motors or generators. Compliant with RoHS and REACH standards, it’s a safe choice for industrial applications.

Weighing 1.21kg, this bearing is robust yet manageable for installation. Its design reduces the risk of electrical erosion, extending service life in high-voltage environments.

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Product Parameters

  • Model NU213-E-M6-C3-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 65.0 mm
  • Outside Diameter 120.0 mm
  • Width 23.0 mm
  • Net Weight 1.21 kg
  • Basic Dynamic Load Rating 122 kN
  • Basic Static Load Rating 118 kN
  • Reference Speed 6300 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 C3
  • ROHS Compliant
  • REACH Compliant

Features

How Is NU213-E-M6-C3-SQ77 Bearing Engineered for Reliability?

NU213-E-M6-C3-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical damage in high-voltage environments.
With a breakdown voltage of 1000-3000 V, it ensures safe operation in electrically charged applications.
The brass cage enhances durability and maintains precise alignment of the rollers.
Its C3 radial internal clearance allows for thermal expansion, ensuring consistent performance under varying temperatures.

What Makes NU213-E-M6-C3-SQ77 Bearing Suitable for High-Temperature Applications?

NU213-E-M6-C3-SQ77 Bearing is designed to handle demanding conditions, including high-temperature environments.
The brass cage and insulating coating maintain structural integrity even under thermal stress.
With a basic dynamic load rating of 122 kN, it delivers reliable performance in heavy-duty applications.
Its reference speed of 6300 r/min ensures efficient operation in high-speed settings.

Engineered for Precision: NU213-E-M6-C3-SQ77 Bearing

NU213-E-M6-C3-SQ77 Bearing offers precise operation with its single-row cylindrical roller design.
The C3 radial internal clearance accommodates thermal expansion, reducing friction and wear.
Its electrical resistance of over 2000 MΩ ensures protection against current-induced damage.
The brass cage provides stability, enhancing the bearing’s overall performance and longevity.

Application

Industrial Uses of NU213-E-M6-C3-SQ77 Bearing
NU213-E-M6-C3-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 under high rotational speeds.

What Makes NU213-E-M6-C3-SQ77 Bearing a Preferred Choice?
In wind turbines, NU213-E-M6-C3-SQ77 Bearing handles high radial loads while its insulation protects against electrical arcing. The C3 clearance allows for thermal expansion, making it reliable in varying temperatures.

Perfect Fit for Automation: NU213-E-M6-C3-SQ77 Bearing
NU213-E-M6-C3-SQ77 Bearing works well in robotic arms and CNC machines, where precision and electrical insulation are key. Its durable construction ensures long service life even in continuous operation.

Medical vs Industrial: Where NU213-E-M6-C3-SQ77 Bearing Excels
NU213-E-M6-C3-SQ77 Bearing is suitable for medical imaging devices, offering quiet and reliable performance. In industrial settings, it’s often found in conveyor systems, thanks to its high load capacity.

Where to Use NU213-E-M6-C3-SQ77 Bearing
NU213-E-M6-C3-SQ77 Bearing is ideal for printing machinery, where its insulation prevents static buildup. The robust design also makes it a good fit for heavy-duty industrial fans.

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