{
 "source": "OEM 官方特征频率表 (用户 2026-08-19 提供), 单位 Hz, 参考转速 HSS=25Hz / IMS=7.08Hz / 行星架=1.05&0.21Hz",
 "file_md5": "9c8df3210da05d9c37b0aac39c626b16",
 "evidence_tier": "本场实机/OEM参数表 — 高于通用手册与相关性推断 (memory cross-vendor-channel-numbering-not-commensurable 分级)",
 "bearings": {
  "2nd Stage Planetary Section#0": {
   "BPFI_Hz": 23.8,
   "BPFO_Hz": 17.0,
   "BSF_Hz": 7.5,
   "shaft_Hz": 0.0,
   "ORF_Hz": 2.55,
   "model": "NSK LV220-2/S/MMASADRU1U303",
   "pos": "Pos. 341x / 349x / 348x",
   "n_rollers": null
  },
  "2nd Stage Planetary Section#1": {
   "BPFI_Hz": 27.6,
   "BPFO_Hz": 20.9,
   "BSF_Hz": 8.95,
   "shaft_Hz": 0.0,
   "ORF_Hz": 2.55,
   "model": "FAG/INA F-589878.RN-WPOS",
   "pos": "Pos. 341x / 349x / 348x",
   "n_rollers": null
  },
  "1st Stage Planetary Section#0": {
   "BPFI_Hz": 6.85,
   "BPFO_Hz": 5.36,
   "BSF_Hz": 2.24,
   "shaft_Hz": 0.0,
   "ORF_Hz": 0.55,
   "model": "NSK STF2LV300-()-2/S/MMDR(S)",
   "pos": "Pos. 241x / 249x / 248x",
   "n_rollers": null
  },
  "1st Stage Planetary Section#1": {
   "BPFI_Hz": 7.8,
   "BPFO_Hz": 6.07,
   "BSF_Hz": 2.18,
   "shaft_Hz": 0.0,
   "ORF_Hz": 0.55,
   "model": "FAG/INA F-601975.RNN-WPOS",
   "pos": "Pos. 241x / 249x / 248x",
   "n_rollers": null
  },
  "Generator DE Ball Bearing#0": {
   "BPFI_Hz": 135.0,
   "BPFO_Hz": 90.1,
   "BSF_Hz": 60.0,
   "shaft_Hz": 25.0,
   "ORF_Hz": 0.0,
   "model": "",
   "pos": "6338 M/C3",
   "n_rollers": 9
  },
  "Generator NDE Ball Bearing#0": {
   "BPFI_Hz": 135.0,
   "BPFO_Hz": 90.1,
   "BSF_Hz": 60.0,
   "shaft_Hz": 25.0,
   "ORF_Hz": 0.0,
   "model": "",
   "pos": "6338 M/C3",
   "n_rollers": 9
  },
  "HS Bearing Rotor Side#0": {
   "BPFI_Hz": 246.0,
   "BPFO_Hz": 179.0,
   "BSF_Hz": 78.0,
   "shaft_Hz": 25.0,
   "ORF_Hz": 0.0,
   "model": "NSK (STF)N2234A1(g3)/S/MM1C3U303(S)",
   "pos": "Pos. 151",
   "n_rollers": 17
  },
  "HS Bearing Rotor Side#1": {
   "BPFI_Hz": 246.0,
   "BPFO_Hz": 179.0,
   "BSF_Hz": 78.0,
   "shaft_Hz": 25.0,
   "ORF_Hz": 0.0,
   "model": "FAG/INA F-576597.N-WPOS",
   "pos": "Pos. 151",
   "n_rollers": 17
  },
  "HS Bearing Generator Side left half#0": {
   "BPFI_Hz": 284.0,
   "BPFO_Hz": 216.0,
   "BSF_Hz": 86.0,
   "shaft_Hz": 25.0,
   "ORF_Hz": 0.0,
   "model": "NSK HR30240JA/HR32240JBDF+KRCA550U35U303S",
   "pos": "Pos. 150L",
   "n_rollers": 20
  },
  "HS Bearing Generator Side left half#1": {
   "BPFI_Hz": 284.0,
   "BPFO_Hz": 216.0,
   "BSF_Hz": 86.0,
   "shaft_Hz": 25.0,
   "ORF_Hz": 0.0,
   "model": "FAG/INA F-581491.01.TR2SK-WPOS-A525-575",
   "pos": "Pos. 150L",
   "n_rollers": 20
  },
  "HS Bearing Generator Side right half#0": {
   "BPFI_Hz": 284.0,
   "BPFO_Hz": 216.0,
   "BSF_Hz": 86.0,
   "shaft_Hz": 25.0,
   "ORF_Hz": 0.0,
   "model": "NSK HR30240JA/HR32240JBDF+KRCA550U35U303S",
   "pos": "Pos. 150R",
   "n_rollers": 20
  },
  "HS Bearing Generator Side right half#1": {
   "BPFI_Hz": 273.0,
   "BPFO_Hz": 202.0,
   "BSF_Hz": 80.0,
   "shaft_Hz": 25.0,
   "ORF_Hz": 0.0,
   "model": "FAG/INA F-581491.01.TR2SK-WPOS-A525-575",
   "pos": "Pos. 150R",
   "n_rollers": 19
  },
  "Pump Roller Bearing#0": {
   "BPFI_Hz": 200.0,
   "BPFO_Hz": 138.6,
   "BSF_Hz": 64.5,
   "shaft_Hz": 24.19,
   "ORF_Hz": 0.0,
   "model": "NU2208-E-M1",
   "pos": "Pos. 906",
   "n_rollers": 14
  },
  "Pump Ball Bearing#0": {
   "BPFI_Hz": 130.0,
   "BPFO_Hz": 87.3,
   "BSF_Hz": 58.5,
   "shaft_Hz": 24.19,
   "ORF_Hz": 0.0,
   "model": "",
   "pos": "Pos. 907",
   "n_rollers": 9
  },
  "IMS Bearing Rotor Side#0": {
   "BPFI_Hz": 101.0,
   "BPFO_Hz": 82.8,
   "BSF_Hz": 35.0,
   "shaft_Hz": 7.08,
   "ORF_Hz": 0.0,
   "model": "NSK NU1072A1/S/MMC3U303S",
   "pos": "Pos. 451",
   "n_rollers": 26
  },
  "IMS Bearing Rotor Side#1": {
   "BPFI_Hz": 101.0,
   "BPFO_Hz": 82.8,
   "BSF_Hz": 35.0,
   "shaft_Hz": 7.08,
   "ORF_Hz": 0.0,
   "model": "FAG/INA F-573522.01.NU-WPOS",
   "pos": "Pos. 451",
   "n_rollers": 26
  },
  "IMS Bearing Generator Side#0": {
   "BPFI_Hz": 137.0,
   "BPFO_Hz": 118.0,
   "BSF_Hz": 46.75,
   "shaft_Hz": 7.08,
   "ORF_Hz": 0.0,
   "model": "NSK HR32968JDF+KRCA850U303S",
   "pos": "Pos. 450",
   "n_rollers": 36
  },
  "IMS Bearing Generator Side#1": {
   "BPFI_Hz": 151.0,
   "BPFO_Hz": 132.0,
   "BSF_Hz": 48.7,
   "shaft_Hz": 7.08,
   "ORF_Hz": 0.0,
   "model": "FAG/INA F-581492.TR2S-WPOS-A760-810",
   "pos": "Pos. 450",
   "n_rollers": 40
  },
  "2nd Planetary Stage Carrier Bearing Rotor Side#0": {
   "BPFI_Hz": 43.3,
   "BPFO_Hz": 40.9,
   "BSF_Hz": 15.95,
   "shaft_Hz": 1.05,
   "ORF_Hz": 0.0,
   "model": "NSK R527Z-2U303(S)",
   "pos": "Pos. 3560",
   "n_rollers": 80
  },
  "2nd Planetary Stage Carrier Bearing Rotor Side#1": {
   "BPFI_Hz": 43.3,
   "BPFO_Hz": 41.0,
   "BSF_Hz": 17.0,
   "shaft_Hz": 1.05,
   "ORF_Hz": 0.0,
   "model": "FAG/INA F-577630.01.TR1-WPOS",
   "pos": "Pos. 3560",
   "n_rollers": 80
  },
  "2nd Planetary Stage Carrier Bearing Generator Side#0": {
   "BPFI_Hz": 27.5,
   "BPFO_Hz": 25.1,
   "BSF_Hz": 10.45,
   "shaft_Hz": 1.05,
   "ORF_Hz": 0.0,
   "model": "NSK R620-2U303(S)",
   "pos": "Pos. 3550",
   "n_rollers": 50
  },
  "2nd Planetary Stage Carrier Bearing Generator Side#1": {
   "BPFI_Hz": 28.6,
   "BPFO_Hz": 26.1,
   "BSF_Hz": 10.15,
   "shaft_Hz": 1.05,
   "ORF_Hz": 0.0,
   "model": "FAG/INA F-574991.TR1-WPOS",
   "pos": "Pos. 3550",
   "n_rollers": 52
  },
  "1st Planetary Stage Carrier Bearing Rotor Side#0": {
   "BPFI_Hz": 6.35,
   "BPFO_Hz": 5.76,
   "BSF_Hz": 2.08,
   "shaft_Hz": 0.21,
   "ORF_Hz": 0.0,
   "model": "NSK R1000-2Ag4EU303S",
   "pos": "Pos. 2560",
   "n_rollers": 58
  },
  "1st Planetary Stage Carrier Bearing Rotor Side#1": {
   "BPFI_Hz": 6.24,
   "BPFO_Hz": 5.66,
   "BSF_Hz": 2.06,
   "shaft_Hz": 0.21,
   "ORF_Hz": 0.0,
   "model": "FAG/INA F-580257.TR1-WPOS",
   "pos": "Pos. 2560",
   "n_rollers": 57
  },
  "1st Planetary Stage Carrier Bearing Generator Side#0": {
   "BPFI_Hz": 6.42,
   "BPFO_Hz": 5.9,
   "BSF_Hz": 2.36,
   "shaft_Hz": 0.21,
   "ORF_Hz": 0.0,
   "model": "NSK R750-3U303S",
   "pos": "Pos. 2550",
   "n_rollers": 59
  },
  "1st Planetary Stage Carrier Bearing Generator Side#1": {
   "BPFI_Hz": 6.43,
   "BPFO_Hz": 5.88,
   "BSF_Hz": 2.23,
   "shaft_Hz": 0.21,
   "ORF_Hz": 0.0,
   "model": "FAG/INA F-575848.TR1-WPOS",
   "pos": "Pos. 2550",
   "n_rollers": 59
  },
  "Main Bearing Front#0": {
   "BPFI_Hz": 4.46,
   "BPFO_Hz": 3.89,
   "BSF_Hz": 1.49,
   "shaft_Hz": 0.21,
   "ORF_Hz": 0.0,
   "model": "f-576853.PRL",
   "pos": "139.1/1060",
   "n_rollers": 40
  },
  "Main Bearing Rear#0": {
   "BPFI_Hz": 3.1,
   "BPFO_Hz": 2.54,
   "BSF_Hz": 1.03,
   "shaft_Hz": 0.21,
   "ORF_Hz": 0.0,
   "model": "F-605082.PRL",
   "pos": "240.1/800",
   "n_rollers": 27
  },
  "Generator": {
   "BPFI_Hz": null,
   "BPFO_Hz": null,
   "BSF_Hz": null,
   "shaft_Hz": null,
   "ORF_Hz": null,
   "model": "",
   "pos": "",
   "n_rollers": null
  }
 }
}