Inner and Outer Race Bearing Fault Vibration Measurements

Description: Radial vibration measurements taken on the bearing housing of the SpectrQuest Machinery Fault Simulator test rig with a known inner and outer race bearing faults.
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Measured by: Gareth Forbes
Contact Email:
Measurement Date: 21/11/12
License: Creative Commons Licence
Bearing Fault Vibration Measurements by Gareth Forbes is licensed under a Creative Commons Attribution 4.0 International License.
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Nominal Machine Health: Inner and Outer race bearing fault
Country: Australia
State: Western Australia
City: Bentley
Street: Kent Street
Power rating: Nominal 2 kW
Nominal speed: 29 Hz
Sample rate: 51200 Hz
Record length: 10 seconds
Bearing Information:
Bearing No: MB ER-16K
Number of balls: 9
Ball Diameter: 7.94mm
Pitch Diameter: 38.50mm
FTF: 0.3969 x (shaft speed)
BPFO: 3.572 x (shaft speed)
BPFI: 5.428 x (shaft speed)
BSF: 2.32 x (shaft speed)
Measurement Channels:
Channel No: 1
Location: Bearing Housing
Sensor type: Accelerometer
Axis measured: Radial
Channel No: 2
Location: Input shaft
Sensor type: Proximity probe (once per rev tachometer signal)