Drawing control

  • Drawing number, revision and unit system are visible
  • Critical dimensions are identified separately from reference dimensions
  • Datums and measurement method are clear

Interfaces

  • Shaft, housing and mounting-face dimensions are included
  • Fits, shoulders, fillets and clamping method do not conflict
  • Available assembly and removal space is shown

Functional requirements

  • Load direction, speed and temperature match the application
  • Clearance or preload is stated only when confirmed
  • Runout and accuracy limits identify the measurement datum
  • Lubrication, sealing and environment are defined

Inspection

  • Inspection characteristics and sampling level are agreed
  • Required reports are listed before quotation
  • Any unsupported or unmeasurable requirement is resolved in writing

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