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Electrically Insulated Single Row Cylindrical Roller Bearings NU 220 ECM/C3VL0241
Electrically Insulated Single Row Cylindrical Roller Bearings NU 220 ECM/C3VL0241

Electrically Insulated Single Row Cylindrical Roller Bearings NU 220 ECM/C3VL0241

The NU 220 ECM/C3VL0241 is an electrically insulated cylindrical roller bearing with a 100mm bore and 180mm outer diameter, designed to handle heavy loads. Its outer ring features a special coating to prevent electrical currents from damaging the bearing.

With a dynamic load rating of 285kN and a static load rating of 305kN, it’s built for demanding applications. The bearing can reach speeds up to 4000r/min and operates safely under voltages from 1000 to 3000 VDC.

The machined brass cage ensures smooth operation, while the C3 radial clearance allows for thermal expansion. It’s ideal for use in electric motors or generators where electrical insulation is crucial.

Weighing 3.92kg, it’s a robust choice for industrial settings. Compliant with RoHS and REACH standards, it meets strict environmental and safety requirements.

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Product Parameters

  • Model NU 220 ECM/C3VL0241
  • Product Category Electrically Insulated Single Row Cylindrical Roller Bearings
  • Insulating Coating Types Insulation coating on outer ring
  • Coating Suffix VL0241
  • Manufacturers TFL
  • Bore Diameter 100.0 mm
  • Outside Diameter 180.0 mm
  • Width 34.0 mm
  • Net Weight 3.92 kg
  • Basic Dynamic Load Rating 285.0 kN
  • Basic Static Load Rating 305.0 kN
  • Reference Speed 4000.0r/min
  • Breakdown Voltage (DC) 1000 VDC to 3000 VDC
  • Layer Thic kNess 500 µm
  • Electrical Resistance Min. 50MΩ
  • Cage Material Machined brass
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant

Features

How Is NU 220 ECM/C3VL0241 Bearing Engineered for Reliability?

NU 220 ECM/C3VL0241 Bearing features an insulating coating on the outer ring, preventing electrical damage in high-voltage environments.
Its breakdown voltage ranges from 1000 to 3000 VDC, ensuring safe operation in electrically charged applications.
The machined brass cage enhances durability and maintains precise roller alignment.
With a basic dynamic load rating of 285 kN, it handles heavy radial loads efficiently.

What Makes NU 220 ECM/C3VL0241 Bearing Suitable for High-Temperature Applications?

NU 220 ECM/C3VL0241 Bearing’s robust design includes a C3 radial internal clearance, accommodating thermal expansion.
The insulation coating withstands high temperatures, maintaining performance in demanding conditions.
Its reference speed of 4000 r/min ensures reliable operation even under stress.
The bearing’s electrical resistance of at least 50MΩ adds an extra layer of protection.

Built for Reliability: NU 220 ECM/C3VL0241 Bearing

NU 220 ECM/C3VL0241 Bearing combines a high static load rating of 305 kN with a durable machined brass cage.
The outer ring’s 500 µm insulation coating resists electrical currents, extending service life.
Its compact design, at 100 mm bore and 180 mm outer diameter, fits seamlessly into various applications.
The bearing’s compliance with ROHS and REACH standards ensures environmental safety.

Steel vs Ceramic Bearings: Strengths of NU 220 ECM/C3VL0241 Bearing

NU 220 ECM/C3VL0241 Bearing uses high-quality materials, including a machined brass cage for enhanced durability.
Unlike ceramic bearings, its steel construction provides superior load-bearing capacity, rated at 285 kN dynamically.
The insulation coating offers unique protection against electrical currents, a feature not found in standard steel bearings.
Its 34 mm width ensures a compact yet robust design for space-constrained applications.

Application

Industrial Uses of NU 220 ECM/C3VL0241 Bearing
NU 220 ECM/C3VL0241 Bearing is commonly used in electric motors and generators, where its insulation coating prevents electrical currents from damaging the bearing. The machined brass cage ensures smooth operation even under high loads.

What Makes NU 220 ECM/C3VL0241 Bearing a Preferred Choice?
In wind turbines, NU 220 ECM/C3VL0241 Bearing handles radial loads efficiently while its insulation protects against stray currents. The C3 clearance allows for thermal expansion, making it suitable for variable operating conditions.

Perfect Fit for Automation: NU 220 ECM/C3VL0241 Bearing
NU 220 ECM/C3VL0241 Bearing works well in robotic arms and CNC machines, where precision and electrical insulation are key. Its high dynamic load rating ensures long service life in demanding applications.

Medical vs Industrial: Where NU 220 ECM/C3VL0241 Bearing Excels
NU 220 ECM/C3VL0241 Bearing is ideal for industrial equipment like pumps and compressors, thanks to its robust design. In medical imaging devices, its insulation properties prevent interference with sensitive electronics.

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