{
  "$type": "site.standard.document",
  "description": "The rotational torque inspection method for a bearing device comprises: a press-fitting step (S); a first bearing preload value calculation step (S) for calculating a first bearing preload value (P); a post-press-fit rotational torque measurement step (S) for measuring a post-press-fit rotational…",
  "path": "/patents/1348958",
  "publishedAt": "2023-08-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01L5/0009",
    "NTN Corporation"
  ],
  "textContent": "The rotational torque inspection method for a bearing device comprises: a press-fitting step (S); a first bearing preload value calculation step (S) for calculating a first bearing preload value (P); a post-press-fit rotational torque measurement step (S) for measuring a post-press-fit rotational torque (Ta); a crimping step (S) for crimping the small diameter step part to the inner ring; a post-crimping rotational torque measurement step (S) for measuring a post-crimping rotational torque (Tb); a second bearing preload value calculation step (S) for calculating a second bearing preload value (P); and a determination step (S) for determining the suitability of the preload depending on whether or not the second bearing preload value (P) is within a range of a reference value.",
  "title": "PRELOAD INSPECTION METHOD FOR BEARING DEVICE FOR VEHICLE WHEEL"
}