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Roller Bearing Faults

Roller Bearing Faults

Product Details:


Product Description

Roller Bearing Faults


[1] investigation of the vibrations of roller bearings

[2] roller bearings with damaged outer race

[3] roller bearings with faulty inner race

[4] roller bearings with damaged rolling element

[5] roller bearings with combined damage

[6] longrunning roller bearings

[7] new and undamaged roller bearings

[8] drive motor with variable speed via frequency converter

[9] radial loading of bearings via adjustable loading device

[10] vibration isolation of the foundation plate using rubber elements

[11] instruments: optical speed sensor, acceleration sensor to record vibration

[12] software features: 2channel oscilloscope;

2channel FFT analyser; envelope analysis; runup curve and order analysis

Technical Data

  • Pendulum ball bearing of type NU204ETVP2
  • inside diameter: d=20mm
  • outside diameter: D=47mm
  • width: 14mm
  • number of rollers: 12
  • Drive motor
  • speed: 100...3000min
  • power: 370W
  • Acceleration sensor
  • frequency range: 1...10000Hz
  • sensitivity: 100mV/g
  • resonance frequency: 32kHz
  • Optical speed sensor 
  • sampling width: 3...150mm
  • laser class II, 675nm  


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