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[1], are stored in four folders respectively.\nEach folder contains two subfolders, one has all collected signals at 6 Hz, and the other has selected samples at 4 speeds (6,12,15,20 Hz).\nEach data file is named as vib_aaaaaaaaa_bb.mat:\n•\taaaaaaaaa: is the running cycle of the shaft in this measurement\n•\tbb: is the shaft speed in Hz\n\nEach data file contains the following variables:\n•\tFs: the sampling frequency\n•\taccH: acceleration (V) in horizontal direction\n•\taccV: acceleration (V) in vertical direction\n•\tenc1: encoder signal channel 1 (1024 pulses/rev)\n•\tenc2: encoder signal channel 2 (1024 pulses/rev)\n•\tloadCell: the applied radial load (V) on the test bearing\n•\ttacho: tacho signal of the shaft (1/rev)\n\nFor any further information, please contact the Author or the Tribology and Machine Condition Monitoring group of UNSW Sydney.\n\nThe version of datasets is updated due to the nomenclature issue of 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