{
  "id": "37gb-520-dc-gear-motor-with-wheel",
  "name": "37gb 520 Dc Gear Motor With Wheel",
  "name_zh": "37GB-520 齒輪減速馬達連輪子 (12V)",
  "mpn": "37GB-520",
  "category": "actuator/motor",
  "summary_zh": "37GB-520馬達的特點是扭力大，常使用在各種車模型上，配備減速齒輪箱，具備了更大的扭矩，馬達內部全部為金屬結構，內部由金屬齒輪傳動，適合製作機器人小車或者其他機械模型，結構堅硬耐用，是非常值得的馬達。",
  "specs": {
    "voltage_v": {
      "typ": 12
    },
    "dimensions_mm": {
      "l": 40,
      "w": 40,
      "h": 47
    },
    "weight_g": 23,
    "diameter_mm": 65,
    "motor": {
      "shaft_diameter_mm": 6,
      "shaft_length_mm": 15,
      "gear_ratio": 8.3,
      "stall_torque_kgcm": 1.8,
      "rated_torque_kgcm": 0.5
    }
  },
  "attributes": {
    "長度": "40mm",
    "功率": "7W",
    "空載電流": "0.17mA",
    "負載電流": "0.68mA",
    "堵轉電流": "2.19A",
    "螺孔": "6個M3螺孔",
    "空載轉速": "600rpm 轉/分鐘",
    "負載轉速": "552rpm 轉/分鐘",
    "材質": "鋁合金陽極噴塑處理",
    "寬度": "40mm",
    "孔徑": "邊到邊12mm六角型，1個M4螺孔",
    "大小": "邊到邊12mm",
    "螺絲孔徑": "4mm",
    "馬達安裝內徑": "6mm",
    "總長度": "18mm",
    "高度": "47mm",
    "鋁板厚度": "3.5mm"
  },
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      "source": "original"
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  "product_id": "1466",
  "updated_at": "2026-09-06"
}