{
 "id": "ac-shuanghuan-shpr-40e",
 "name": "Shuanghuan / Fine Motion SHPR-40E RV Reducer",
 "subcategory": "cycloidal-reducers",
 "brand": "Shuanghuan (Fine Motion)",
 "mpn": "SHPR-40E",
 "summary": "Chinese RV-E-format reducer for 10-20 kg arm shoulders; 412 N·m rated at 15 r/min.",
 "maker": {
  "name": "Zhejiang Fine Motion Robot Joint Technology Co., Ltd. (环动科技), Shuanghuan Driveline group",
  "country": "CN",
  "role": "brand"
 },
 "made_in": "unknown",
 "specs": {
  "ratio": {
   "label": "Ratio",
   "value": "57 / 81 / 105 / 121 / 153"
  },
  "rated_torque_nm": {
   "label": "Output torque at 15 r/min",
   "value": "412 N·m",
   "num": 412,
   "unit": "N·m"
  },
  "peak_torque_nm": {
   "label": "Allowable start/stop torque",
   "value": "1029 N·m (momentary max 2058 N·m)",
   "num": 1029,
   "unit": "N·m"
  },
  "backlash_arcmin": {
   "label": "Lost motion",
   "value": "1 arcmin",
   "num": 1,
   "unit": "arcmin"
  },
  "od_mm": {
   "label": "Outer diameter",
   "value": "190 mm (from outline drawing)",
   "num": 190,
   "unit": "mm"
  },
  "hollow_shaft": {
   "label": "Hollow shaft",
   "value": "No (E-series)"
  },
  "mass_g": {
   "label": "Mass",
   "value": "9.3 kg",
   "num": 9300,
   "unit": "g"
  },
  "torsional_stiffness": {
   "label": "Torsional stiffness",
   "value": "108 N·m/arcmin",
   "num": 108,
   "unit": "N·m/arcmin"
  }
 },
 "price": [],
 "moq": "unknown",
 "lead_time": "unknown",
 "hts": "8483.40.50",
 "compliance": {
  "ndaa": "unknown",
  "blue_uas": "unknown",
  "fcc": "n/a",
  "notes": "Maker page in Chinese only; OD read from maker outline drawing image."
 },
 "links": {
  "product": "http://www.finemotion.com.cn/home/Index/product?id=36",
  "datasheet": null,
  "cad": null
 },
 "equivalents": [
  "ac-qinchuan-bx40e",
  "ac-nabtesco-rv-42n",
  "ac-hengfengtai-cort-40e",
  "ac-zhenkang-zkrv-40e",
  "ac-zhongda-190bx-rve"
 ],
 "pairs_with": [],
 "maglev": {
  "custom": "",
  "directory_ref": null
 },
 "sources": [
  {
   "url": "http://www.finemotion.com.cn/home/Index/product?id=36",
   "what": "rating table and outline drawing (Chinese)"
  },
  {
   "url": "https://www.gearsnet.com",
   "what": "Shuanghuan site links to finemotion.com.cn"
  }
 ],
 "confidence": "VERIFIED",
 "stock": {
  "status": "unknown",
  "source": "http://www.finemotion.com.cn/home/Index/product?id=36",
  "as_of": "2026-10-30"
 },
 "category": "actuators",
 "subcategory_title": "Cycloidal & RV Reducers",
 "icon": "gear",
 "origin": {
  "code": "CN",
  "basis": "hq"
 },
 "hts_resolved": {
  "code": "8483.40.50",
  "typical": false,
  "confidence": "part"
 },
 "us_duty_by_origin": {
  "as_of": "2026-10-29",
  "rates": [
   {
    "origin": "CN",
    "duty_pct": null,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "TW",
    "duty_pct": null,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "VN",
    "duty_pct": null,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "IN",
    "duty_pct": null,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "JP",
    "duty_pct": null,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "KR",
    "duty_pct": null,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "DE",
    "duty_pct": null,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "MX",
    "duty_pct": null,
    "possible_pct": 0,
    "usmca": true
   },
   {
    "origin": "US",
    "duty_pct": 0,
    "possible_pct": 0,
    "usmca": false
   }
  ]
 },
 "url": "https://parts.trymaglev.com/p/ac-shuanghuan-shpr-40e/",
 "markdown": "https://parts.trymaglev.com/p/ac-shuanghuan-shpr-40e/index.md",
 "equivalents_detail": [
  {
   "id": "ac-qinchuan-bx40e",
   "name": "Qinchuan BX40E RV Reducer",
   "brand": "Qinchuan",
   "mpn": "BX40E",
   "category": "actuators",
   "subcategory": "cycloidal-reducers",
   "summary": "Qinchuan RV-E-format reducer; 412 N·m rated, a low-cost alternative to Nabtesco RV-40E/42N.",
   "origin": "CN",
   "origin_basis": "hq",
   "price_usd": 490,
   "price_qty": 1,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-qinchuan-bx40e.webp",
   "url": "https://parts.trymaglev.com/p/ac-qinchuan-bx40e/",
   "json": "https://parts.trymaglev.com/api/parts/ac-qinchuan-bx40e.json"
  },
  {
   "id": "ac-nabtesco-rv-42n",
   "name": "Nabtesco RV-42N Compact RV Reducer (Component Set)",
   "brand": "Nabtesco",
   "mpn": "RV-42N (ratio to select)",
   "category": "actuators",
   "subcategory": "cycloidal-reducers",
   "summary": "Benchmark RV reducer for shoulder/elbow joints of 10-20 kg arms; 412 N·m rated, 159 mm OD.",
   "origin": "JP",
   "origin_basis": "hq",
   "price_usd": null,
   "price_qty": null,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-nabtesco-rv-42n.webp",
   "url": "https://parts.trymaglev.com/p/ac-nabtesco-rv-42n/",
   "json": "https://parts.trymaglev.com/api/parts/ac-nabtesco-rv-42n.json"
  },
  {
   "id": "ac-hengfengtai-cort-40e",
   "name": "Hengfengtai CORT-40E Precision Robot Reducer",
   "brand": "Hengfengtai (恒丰泰)",
   "mpn": "CORT-40E",
   "category": "actuators",
   "subcategory": "cycloidal-reducers",
   "summary": "Hengfengtai CORT-E series (\"活齿\" movable-tooth precision reducer, RV-E format) size 40E; 415 N·m rated at 15 r/min, 1 arcmin backlash.",
   "origin": "CN",
   "origin_basis": "hq",
   "price_usd": null,
   "price_qty": null,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": null,
   "url": "https://parts.trymaglev.com/p/ac-hengfengtai-cort-40e/",
   "json": "https://parts.trymaglev.com/api/parts/ac-hengfengtai-cort-40e.json"
  },
  {
   "id": "ac-zhenkang-zkrv-40e",
   "name": "Zhenkang ZKRV-40E RV Reducer",
   "brand": "Zhenkang (振康)",
   "mpn": "ZKRV-40E",
   "category": "actuators",
   "subcategory": "cycloidal-reducers",
   "summary": "Nantong Zhenkang ZKRV-40E RV reducer (E-type); 412 N·m rated, 1 arcmin backlash.",
   "origin": "CN",
   "origin_basis": "hq",
   "price_usd": null,
   "price_qty": null,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-zhenkang-zkrv-40e.webp",
   "url": "https://parts.trymaglev.com/p/ac-zhenkang-zkrv-40e/",
   "json": "https://parts.trymaglev.com/api/parts/ac-zhenkang-zkrv-40e.json"
  },
  {
   "id": "ac-zhongda-190bx-rve",
   "name": "Zhongda Leader 190BX-RVE Precision Cycloid Reducer",
   "brand": "Zhongda Leader (中大力德)",
   "mpn": "190BX-RVE",
   "category": "actuators",
   "subcategory": "cycloidal-reducers",
   "summary": "Zhongda Leader 190BX-RVE RV-type cycloidal-pin precision reducer; 392 N·m rated at 15 r/min, 1.0 arcmin backlash.",
   "origin": "CN",
   "origin_basis": "hq",
   "price_usd": null,
   "price_qty": null,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-zhongda-190bx-rve.webp",
   "url": "https://parts.trymaglev.com/p/ac-zhongda-190bx-rve/",
   "json": "https://parts.trymaglev.com/api/parts/ac-zhongda-190bx-rve.json"
  }
 ],
 "pairs_with_detail": []
}