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SKF INSOCOAT Cylindrical Roller Bearings NU 228 ECM/C3VL2071
SKF INSOCOAT Cylindrical Roller Bearings NU 228 ECM/C3VL2071

SKF INSOCOAT Cylindrical Roller Bearings NU 228 ECM/C3VL2071

The SKF INSOCOAT cylindrical roller bearing is a medium-sized unit measuring 140mm by 250mm by 42mm, with a robust construction. It features a machined brass cage and has a C3 radial internal clearance for reliable operation.

This bearing can handle dynamic loads up to 450 kN and static loads up to 510 kN, performing well at speeds up to 3200 rpm. Its design ensures smooth running under demanding conditions.

A key feature is the special insulation coating on the inner ring, which provides protection against electrical currents. This coating can withstand voltages from 1000 to 3000 VDC and has high electrical resistance.

Weighing 9 kg, it’s suitable for electric motors and generators where electrical insulation is needed. Compliant with RoHS and REACH standards, it offers dependable performance in industrial settings.

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Product Parameters

  • Model NU 228 ECM/C3VL2071
  • Product Category INSOCOAT Cylindrical Roller Bearings
  • Insulating Coating Types Insulation coating on inner ring
  • Coating Suffix VL2071
  • Manufacturers SKF
  • Bore Diameter 140.0 mm
  • Outside Diameter 250.0 mm
  • Width 42.0 mm
  • Net Weight 9 kg
  • Basic Dynamic Load Rating 450.0 kN
  • Basic Static Load Rating 510.0 kN
  • Reference Speed 3200.0r/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 228 ECM/C3VL2071 Bearing Engineered for Reliability?

NU 228 ECM/C3VL2071 Bearing features an insulating coating on its inner ring, providing protection against electrical damage.
This coating offers a breakdown voltage between 1000 and 3000 VDC, making it suitable for electric motor applications.
The machined brass cage maintains proper roller alignment, enhancing operational stability under heavy loads.
With a basic dynamic load rating of 450 kN, it delivers consistent performance in demanding industrial environments.

Application

Industrial Uses of NU 228 ECM/C3VL2071 Bearing
NU 228 ECM/C3VL2071 Bearing works well in industrial equipment like large pumps and conveyor systems where electrical currents could cause damage.
Its insulation coating protects against electrical erosion, while the C3 clearance accommodates thermal expansion in demanding environments.

How Does NU 228 ECM/C3VL2071 Bearing Support High-Speed Operations?
You’ll find NU 228 ECM/C3VL2071 Bearing in electric motor applications, particularly where variable speeds and electrical insulation are needed.
The machined brass cage maintains stability at the 3200 rpm reference speed, making it suitable for continuous operation.

Perfect Fit for Automation: NU 228 ECM/C3VL2071 Bearing
In automated production lines, NU 228 ECM/C3VL2071 Bearing handles radial loads in positioning systems and robotic arms.
The insulation coating prevents current passage that might interfere with sensitive electronic controls in these setups.

Medical vs Industrial: Where NU 228 ECM/C3VL2071 Bearing Excels
While NU 228 ECM/C3VL2071 Bearing serves industrial generators and large drives well, its electrical insulation also benefits medical imaging equipment.
The consistent performance comes from the cylindrical roller design that manages substantial radial loads reliably.

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