{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "In a vehicle bearing device hub spindle, annular first to third grinding undercut portions (19a-c) , each being a recess in sectional view, are formed in the same shape, through turning, at a large-rib-surface-side (12a) end portion of an inner raceway surface (13), a large-diameter-portion-side…",
  "path": "/patents/997901",
  "publishedAt": "2012-09-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F16C33/585",
    "JTEKT CORP [JP]"
  ],
  "textContent": "In a vehicle bearing device hub spindle, annular first to third grinding undercut portions (19a-c) , each being a recess in sectional view, are formed in the same shape, through turning, at a large-rib-surface-side (12a) end portion of an inner raceway surface (13), a large-diameter-portion-side end portion of the inner raceway surface, and a large-diameter-portion-side end portion of an outer peripheral surface of an intermediate-diameter portion.",
  "title": "Vehicle bearing device"
}