{
  "category": "Gearboxes & Speed Reducers",
  "vertical": "power-transmission-and-bearings",
  "source": "https://getclaro.ai/resources/attribute-library/power-transmission-and-bearings/gearboxes/",
  "status": "editorial-draft",
  "note": "Editorial reference template. Example values show format only and do not describe a real SKU. Not an official ETIM or ECLASS class.",
  "groups": [
    {
      "key": "identity",
      "name": "Identity",
      "check": "Preserve leading zeros and punctuation, validate against the manufacturer record, and check the GTIN check digit and packaging level before linking."
    },
    {
      "key": "technical",
      "name": "Technical specifications",
      "check": "Store the number and unit separately. Convert only when the source unit and test conditions are known."
    },
    {
      "key": "selection",
      "name": "Selection attributes",
      "check": "Map supplier wording to a governed vocabulary only after checking the source text and which variant it applies to."
    },
    {
      "key": "fit",
      "name": "Fit & compatibility",
      "check": "Keep model and series qualifiers. A similar-looking part is not a verified fit until a source says so."
    },
    {
      "key": "evidence",
      "name": "Evidence & compliance",
      "check": "Link the manufacturer document or label with its edition or date. Never copy a certification from a neighboring SKU."
    }
  ],
  "fields": [
    {
      "key": "reducer_type",
      "label": "Reducer Type",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Right-angle worm"
    },
    {
      "key": "gear_ratio",
      "label": "Nominal Gear Ratio",
      "group": "selection",
      "priority": "core",
      "value_type": "text",
      "unit": null,
      "example_format": "60:1"
    },
    {
      "key": "worm_center_distance_nominal_size",
      "label": "Center Distance / Size",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "2.62 in"
    },
    {
      "key": "input_style_frame",
      "label": "Input Style & Motor Frame",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "56C quill (NEMA C-face)"
    },
    {
      "key": "output_configuration",
      "label": "Output Configuration",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Hollow bore, single"
    },
    {
      "key": "output_bore_shaft_diameter",
      "label": "Output Bore / Shaft Diameter",
      "group": "fit",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "1.250 in"
    },
    {
      "key": "mounting_position",
      "label": "Mounting Position",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Horizontal, foot mount, output shaft horizontal"
    },
    {
      "key": "housing_material",
      "label": "Housing Material",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Cast iron"
    },
    {
      "key": "manufacturer_part_number",
      "label": "Manufacturer Part Number",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "WR-262-60-56C-HB"
    },
    {
      "key": "maximum_output_torque",
      "label": "Output Torque Rating (at 1750 rpm input)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "lb-in",
      "example_format": "1,150 lb-in"
    },
    {
      "key": "nominal_input_horsepower",
      "label": "Input Horsepower Rating",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "hp",
      "example_format": "1.0 hp"
    },
    {
      "key": "output_speed_at_1750_rpm_input",
      "label": "Output Speed (at 1750 rpm input)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "rpm",
      "example_format": "29 rpm"
    },
    {
      "key": "overhung_load_capacity",
      "label": "Overhung Load Capacity",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "lb",
      "example_format": "900 lb"
    },
    {
      "key": "thermal_horsepower_rating",
      "label": "Thermal Horsepower Rating",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "hp",
      "example_format": "0.9 hp"
    },
    {
      "key": "agma_rating_basis",
      "label": "Rating Standard",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "ANSI/AGMA 6034 (worm gear reducers)"
    },
    {
      "key": "atex_iecex_marking",
      "label": "ATEX / IECEx Marking",
      "group": "evidence",
      "priority": "channel",
      "value_type": "text",
      "unit": null,
      "example_format": "II 2G Ex h IIB T4 Gb"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "channel",
      "value_type": "identifier",
      "unit": null,
      "example_format": "081234526269"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "United States"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Output Torque",
      "variants": [
        "925 in-lb",
        "925 lb-in",
        "77 ft-lb",
        "104 Nm",
        "925 in.-lbs.",
        "77.1 FT/LBS"
      ],
      "normalized": "925 lb-in"
    },
    {
      "attribute": "Nominal Gear Ratio",
      "variants": [
        "30:1",
        "30/1",
        "30 to 1",
        "Ratio 30",
        "i=30",
        "30:1 ratio"
      ],
      "normalized": "30:1"
    },
    {
      "attribute": "Input Style & Motor Frame",
      "variants": [
        "56C",
        "56 C-Face",
        "56C Quill",
        "NEMA 56C",
        "56-C input",
        "Quill 56C"
      ],
      "normalized": "56C quill (NEMA C-face)"
    }
  ]
}