{"data":{"id":"10.17632/j99rf8rsrz.1","type":"dois","attributes":{"doi":"10.17632/j99rf8rsrz.1","prefix":"10.17632","suffix":"j99rf8rsrz.1","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Xu, Cuifeng","nameType":"Personal","givenName":"Cuifeng","familyName":"Xu","affiliation":["Guilin University of Electronic Technology"],"nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0003-2362-357X","nameIdentifierScheme":"ORCID"}]},{"name":"Wang, Xiaoyu","nameType":"Personal","givenName":"Xiaoyu","familyName":"Wang","affiliation":[],"nameIdentifiers":[]},{"name":"Huang, Jing","nameType":"Personal","givenName":"Jing","familyName":"Huang","affiliation":[],"nameIdentifiers":[]},{"name":"Lu, Yuanning","nameType":"Personal","givenName":"Yuanning","familyName":"Lu","affiliation":[],"nameIdentifiers":[]},{"name":"Su, Haitao","nameType":"Personal","givenName":"Haitao","familyName":"Su","affiliation":["Guilin University of Electronic Technology"],"nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0002-8388-7502","nameIdentifierScheme":"ORCID"}]},{"name":"Lu, Jiaqi","nameType":"Personal","givenName":"Jiaqi","familyName":"Lu","affiliation":["Guilin University of Electronic Technology"],"nameIdentifiers":[]}],"titles":[{"title":"A multi-condition acoustic dataset of ball bearings for fault diagnosis-normal bearing"}],"publisher":"Mendeley Data","container":{},"publicationYear":2026,"subjects":[{"subject":"Ball Bearing"},{"subject":"Acoustic Monitoring"},{"subject":"Fault Diagnosis"}],"contributors":[{"name":"Guilin University of Electronic Technology","nameType":"Organizational","affiliation":[],"contributorType":"Other","nameIdentifiers":[{"schemeUri":"https://ror.org","nameIdentifier":"https://ror.org/05arjae42","nameIdentifierScheme":"ROR"}]}],"dates":[{"date":"2026-02-10T02:01:48Z","dateType":"Issued"}],"language":null,"types":{"ris":"DATA","bibtex":"misc","citeproc":"dataset","schemaOrg":"Dataset","resourceType":"Dataset","resourceTypeGeneral":"Dataset"},"relatedIdentifiers":[{"relationType":"IsVersionOf","relatedIdentifier":"10.17632/j99rf8rsrz","resourceTypeGeneral":"Dataset","relatedIdentifierType":"DOI"}],"relatedItems":[],"sizes":[],"formats":[],"version":null,"rightsList":[{"rightsUri":"info:eu-repo/semantics/openAccess"},{"rights":"Creative Commons Attribution 4.0 International","rightsUri":"https://creativecommons.org/licenses/by/4.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-4.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"description":"This dataset provides multi-condition, long-duration acoustic data for ball bearings. The data were acquired from bearings with normal bearing faults, systematically and separately for each combination of three rotational speeds (800, 1000, and 1200 r/min) and three load levels (0%, 15%, and 30% of the rated torque, where 100% corresponds to 6 N·m).\nAcoustic signals were recorded synchronously using three microphones: two B\u0026amp;K Type 4966 and one CRY333. The sensitivities were 49.76 mV/Pa (B\u0026amp;K at Position 2), 46.95 mV/Pa (B\u0026amp;K at Position 3), and 23.98 mV/Pa (CRY333at Position 1), respectively. The detailed microphone placement is described in our associated dataset article to be published in Data in Brief.\nFor each of the nine operational conditions, a continuous 50-minute recording was captured at a sampling rate of 32,768 Hz. For data management, each 50-minute recording is segmented into five sequential 10-minute files (labeled 1-5) within the repository. The raw data are provided in the proprietary .bkc format. Files are organized and named according to a hierarchical directory structure based on fault type, speed, load, and sampling rate.\nThis dataset supports analytical tasks such as feature extraction and pattern recognition. It serves as a benchmark for developing and validating fault diagnosis algorithms for rotating machinery, particularly for evaluating model performance under varying operating conditions.","descriptionType":"Abstract"}],"geoLocations":[],"fundingReferences":[{"funderName":"Guangxi Science and Technology Base and Specialized Talents"},{"funderName":"Central Funds Guiding the Local Science and Technology of China"},{"funderName":"Natural Science Foundation of 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