AN INVESTIGATION OF FREQUENCY SPECTRUM ANALYSIS FOR THE DETECTION OF BEARING DAMAGE IN CENTRIFUGAL PUMP UNIT 731PU1205 F2. JAMETI [Internet]. 2025 Dec. 3 [cited 2025 Dec. 5];1(2):62-9. Available from: https://journal.isas.or.id/index.php/jameti/article/view/1372