d9 tolerance (shaft) — limit deviations

Upper and lower limit deviations of shaft tolerance class d9 (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 d9 shaft must be between 24.883 and 24.935 mm.

▤d9 limit deviations (µm)

Nominal size (mm)UpperLowerToleranceCalc
up to 3−20−4525→
over 3 to 6−30−6030→
over 6 to 10−40−7636→
over 10 to 14−50−9343→
over 14 to 18−50−9343→
over 18 to 24−65−11752→
over 24 to 30−65−11752→
over 30 to 40−80−14262→
over 40 to 50−80−14262→
over 50 to 65−100−17474→
over 65 to 80−100−17474→
over 80 to 100−120−20787→
over 100 to 120−120−20787→
over 120 to 140−145−245100→
over 140 to 160−145−245100→
over 160 to 180−145−245100→
over 180 to 200−170−285115→
over 200 to 225−170−285115→
over 225 to 250−170−285115→
over 250 to 280−190−320130→
over 280 to 315−190−320130→
over 315 to 355−210−350140→
over 355 to 400−210−350140→
over 400 to 450−230−385155→
over 450 to 500−230−385155→

⊂⊃Common fits that use this class

Partners of d9 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. Miki Pulley mikipulley.co.jpmikipulley.co.jp
  5. Tsubakimoto Chain tt-net.tsubakimoto.co.jp
  6. KHK (Kohara Gear) khkgears.co.jpkhkgears.co.jp

Other shaft tolerance classes

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