{
  "category": "Wheel Bearings",
  "vertical": "automotive-aftermarket",
  "source": "https://getclaro.ai/resources/attribute-library/automotive-aftermarket/wheel-bearings/",
  "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": "part_terminology_pcdb_part_type",
      "label": "Part Type (PCdb Terminology)",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Wheel Bearing and Hub Assembly"
    },
    {
      "key": "manufacturer_part_number_mpn",
      "label": "Manufacturer Part Number (MPN)",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "WB-590243"
    },
    {
      "key": "vehicle_fitment_aces_application",
      "label": "Vehicle Fitment (ACES)",
      "group": "fit",
      "priority": "core",
      "value_type": "text",
      "unit": null,
      "example_format": "2015-2020 full-size pickup, 4WD, front"
    },
    {
      "key": "position_axle_side",
      "label": "Position (Axle / Side)",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Front, left or right"
    },
    {
      "key": "bearing_generation",
      "label": "Bearing Generation",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Gen 3"
    },
    {
      "key": "bearing_type",
      "label": "Bearing Type",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Double-row angular contact ball"
    },
    {
      "key": "bore_diameter",
      "label": "Bore Diameter (cartridge bearings)",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "mm",
      "example_format": "45 mm"
    },
    {
      "key": "outside_diameter",
      "label": "Outside Diameter (cartridge bearings)",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "mm",
      "example_format": "84 mm"
    },
    {
      "key": "bearing_width",
      "label": "Bearing Width (cartridge bearings)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "mm",
      "example_format": "39 mm"
    },
    {
      "key": "wheel_stud_quantity",
      "label": "Wheel Stud Quantity",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "number",
      "unit": null,
      "example_format": "6"
    },
    {
      "key": "stud_bolt_circle_diameter_pcd",
      "label": "Stud Bolt Circle Diameter",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "mm",
      "example_format": "139.7 mm"
    },
    {
      "key": "flange_bolt_hole_quantity",
      "label": "Flange Bolt Hole Quantity",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "number",
      "unit": null,
      "example_format": "4"
    },
    {
      "key": "hub_pilot_diameter",
      "label": "Hub Pilot Diameter",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "mm",
      "example_format": "78.0 mm"
    },
    {
      "key": "spline_quantity",
      "label": "Spline Count",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "number",
      "unit": null,
      "example_format": "29"
    },
    {
      "key": "abs_encoder_sensor_configuration",
      "label": "ABS Encoder / Sensor Configuration",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Integrated magnetic encoder, sensor not included"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "channel",
      "value_type": "identifier",
      "unit": null,
      "example_format": "00812345590241"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Germany"
    },
    {
      "key": "prop_65_warning_required",
      "label": "CA Prop 65 Warning",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Warning required"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Stud Bolt Circle",
      "variants": [
        "5x114.3",
        "5 x 4.5",
        "5-114.3mm",
        "5x4.50\"",
        "5 Lug 114.3",
        "5/114.3"
      ],
      "normalized": "5 x 114.3 mm"
    },
    {
      "attribute": "Bearing Generation",
      "variants": [
        "Gen 3",
        "GEN3",
        "3rd Generation",
        "Generation III",
        "G3",
        "Gen. 3"
      ],
      "normalized": "Gen 3"
    },
    {
      "attribute": "ABS Encoder / Sensor Configuration",
      "variants": [
        "w/ABS",
        "With ABS",
        "ABS: Yes",
        "ABS equipped",
        "w/ ABS ring",
        "ABS Type"
      ],
      "normalized": "Integrated magnetic encoder, sensor not included"
    }
  ]
}