900rpm_6203_NORM_09_20210202123658.cna　:Ball Bearing #6203 Normal Condition at 900rpm
900rpm_6203_oNG_08_20210202125456.cna  :Ball Bearing #6203 Abnormal condition [scratches on the outer ring equivalent to metal peeling] at 900rpm
LF_sample_20241031103432.cna  : An example of a low-frequency vibration at 2.8 Hz