• RC1 - Close sliding, no play
  • RC2 - Sliding, turn but do not run
  • RC3 - Precision running, slow speed, neutral temperature running
  • RC4 - Close running,
  • RC 5,6 - Medium running - higher speed
  • RC 7 - Free running, large temp variation and/or low accuracy

  • RC 8,9 - Loose running, large tolerance allowance

  • LC - locational clearance, free assembling
  • LT - locational transistion, with slight interference

  • LN - locational interference, press fit for location only

  • FN1 - light drive, permanent assmebly, not for force
  • FN2 - medium drive, ordinary drive
  • FN3 - heavy drive, for heavy steel
  • FN 4,5 - high stress or shrink fits

Press Fit Pin Reamer Sizes:

  • 1/8: 0.1230 0.1247
  • 3/16: 0.1855 0.1870
  • 1/4: 0.2480 0.2495
  • 5/16: 0.3105 0.3120
  • 3/8: 0.3730 0.3745
  • 7/16: 0.4355 0.4370
  • 1/2: 0.4980 0.4995