Journal box

{
  "id": "MLC-T-IND-003138",
  "term": "Journal box",
  "field": "Industrial and trades",
  "definition": "A housing that encloses and supports the journal of an axle, containing the bearing and often a lubricant reservoir. It protects the bearing from contaminants and provides a mounting point for the axle to the vehicle frame. In railway applications, journal boxes are a standard component of freight car trucks.",
  "subject": "Mechanical engineering",
  "translations": {
    "de": "Zapfenlager",
    "es": "caja de chumacera",
    "fr": "boîte de palier"
  },
  "url": "https://mlchart.com/terminology/industrial/journal-box/"
}