{
 "id": "ac-shuanghuan-shpr-50c",
 "name": "Shuanghuan / Fine Motion SHPR-50C RV Reducer",
 "subcategory": "cycloidal-reducers",
 "brand": "Shuanghuan (Fine Motion)",
 "mpn": "SHPR-50C",
 "summary": "Hollow-shaft RV-C-format reducer; 490 N·m rated, direct counterpart to Nabtesco RV-50C.",
 "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": "32.54"
  },
  "rated_torque_nm": {
   "label": "Output torque at 15 r/min",
   "value": "490 N·m",
   "num": 490,
   "unit": "N·m"
  },
  "peak_torque_nm": {
   "label": "Allowable start/stop torque",
   "value": "1225 N·m (momentary max 2450 N·m)",
   "num": 1225,
   "unit": "N·m"
  },
  "backlash_arcmin": {
   "label": "Lost motion",
   "value": "1 arcmin",
   "num": 1,
   "unit": "arcmin"
  },
  "od_mm": {
   "label": "Outer diameter",
   "value": "unknown"
  },
  "hollow_shaft": {
   "label": "Hollow shaft",
   "value": "Yes (C-series hollow center)"
  },
  "mass_g": {
   "label": "Mass",
   "value": "14.6 kg",
   "num": 14600,
   "unit": "g"
  },
  "torsional_stiffness": {
   "label": "Torsional stiffness",
   "value": "255 N·m/arcmin",
   "num": 255,
   "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=5",
  "datasheet": null,
  "cad": null
 },
 "equivalents": [
  "ac-nabtesco-rv-50c",
  "ac-zhenkang-zkrv-50c"
 ],
 "pairs_with": [],
 "maglev": {
  "custom": "",
  "directory_ref": null
 },
 "sources": [
  {
   "url": "http://www.finemotion.com.cn/home/Index/product?id=5",
   "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=5",
  "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-50c/",
 "markdown": "https://parts.trymaglev.com/p/ac-shuanghuan-shpr-50c/index.md",
 "equivalents_detail": [
  {
   "id": "ac-nabtesco-rv-50c",
   "name": "Nabtesco RV-50C Hollow-Shaft RV Reducer",
   "brand": "Nabtesco",
   "mpn": "RV-50C",
   "category": "actuators",
   "subcategory": "cycloidal-reducers",
   "summary": "Hollow-shaft RV reducer with off-axis input so cables pass through the joint; 490 N·m rated.",
   "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-50c.webp",
   "url": "https://parts.trymaglev.com/p/ac-nabtesco-rv-50c/",
   "json": "https://parts.trymaglev.com/api/parts/ac-nabtesco-rv-50c.json"
  },
  {
   "id": "ac-zhenkang-zkrv-50c",
   "name": "Zhenkang ZKRV-50C RV Reducer",
   "brand": "Zhenkang (振康)",
   "mpn": "ZKRV-50C",
   "category": "actuators",
   "subcategory": "cycloidal-reducers",
   "summary": "Nantong Zhenkang ZKRV-50C RV reducer (hollow C-type); 490 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-50c.webp",
   "url": "https://parts.trymaglev.com/p/ac-zhenkang-zkrv-50c/",
   "json": "https://parts.trymaglev.com/api/parts/ac-zhenkang-zkrv-50c.json"
  }
 ],
 "pairs_with_detail": []
}