f6 tolerance (shaft) — limit deviations

Upper and lower limit deviations of shaft tolerance class f6 (shafts use lower-case letters), in µm (0.001 mm). Add them to the nominal size to get the permitted size range. Example: a Ø25 f6 shaft must be between 24.967 and 24.980 mm.

▤f6 limit deviations (µm)

Nominal size (mm)UpperLowerToleranceCalc
up to 3−6−126→
over 3 to 6−10−188→
over 6 to 10−13−229→
over 10 to 14−16−2711→
over 14 to 18−16−2711→
over 18 to 24−20−3313→
over 24 to 30−20−3313→
over 30 to 40−25−4116→
over 40 to 50−25−4116→
over 50 to 65−30−4919→
over 65 to 80−30−4919→
over 80 to 100−36−5822→
over 100 to 120−36−5822→
over 120 to 140−43−6825→
over 140 to 160−43−6825→
over 160 to 180−43−6825→
over 180 to 200−50−7929→
over 200 to 225−50−7929→
over 225 to 250−50−7929→
over 250 to 280−56−8832→
over 280 to 315−56−8832→
over 315 to 355−62−9836→
over 355 to 400−62−9836→
over 400 to 450−68−10840→
over 450 to 500−68−10840→

⊂⊃Common fits that use this class

Partners of f6 in the preferred fits of JIS B 0401 (1998), the Japanese counterpart of ISO 286. Click one to open it in the calculator.

📚Sources

We compared the technical documents below and use values that agree in at least two of them.

  1. MISUMI jp.misumi-ec.com
  2. NBK (Nabeya Bi-tech) fujiikougyou.sakura.ne.jpfujiikougyou.sakura.ne.jpfujiikougyou.sakura.ne.jp
  3. Mitsubishi Materials mitsubishicarbide.netmitsubishicarbide.net
  4. OSG osg.co.jp
  5. Tungaloy tungaloy.com
  6. NSK nsk.com
  7. Miki Pulley mikipulley.co.jpmikipulley.co.jp
  8. KHK (Kohara Gear) khkgears.co.jpkhkgears.co.jp

Other shaft tolerance classes

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