Printed from Kezuriba (kezuriba.net/en/fits/shaft-h9/)
h9 tolerance (shaft) — limit deviations
Upper and lower limit deviations of shaft tolerance class h9 (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 h9 shaft must be between 24.948 and 25.000 mm.
▤h9 limit deviations (µm)
| Nominal size (mm) | Upper | Lower | Tolerance | Calc |
|---|---|---|---|---|
| up to 3 | ±0 | −25 | 25 | → |
| over 3 to 6 | ±0 | −30 | 30 | → |
| over 6 to 10 | ±0 | −36 | 36 | → |
| over 10 to 14 | ±0 | −43 | 43 | → |
| over 14 to 18 | ±0 | −43 | 43 | → |
| over 18 to 24 | ±0 | −52 | 52 | → |
| over 24 to 30 | ±0 | −52 | 52 | → |
| over 30 to 40 | ±0 | −62 | 62 | → |
| over 40 to 50 | ±0 | −62 | 62 | → |
| over 50 to 65 | ±0 | −74 | 74 | → |
| over 65 to 80 | ±0 | −74 | 74 | → |
| over 80 to 100 | ±0 | −87 | 87 | → |
| over 100 to 120 | ±0 | −87 | 87 | → |
| over 120 to 140 | ±0 | −100 | 100 | → |
| over 140 to 160 | ±0 | −100 | 100 | → |
| over 160 to 180 | ±0 | −100 | 100 | → |
| over 180 to 200 | ±0 | −115 | 115 | → |
| over 200 to 225 | ±0 | −115 | 115 | → |
| over 225 to 250 | ±0 | −115 | 115 | → |
| over 250 to 280 | ±0 | −130 | 130 | → |
| over 280 to 315 | ±0 | −130 | 130 | → |
| over 315 to 355 | ±0 | −140 | 140 | → |
| over 355 to 400 | ±0 | −140 | 140 | → |
| over 400 to 450 | ±0 | −155 | 155 | → |
| over 450 to 500 | ±0 | −155 | 155 | → |
⊂⊃Common fits that use this class
Partners of h9 in the preferred fits of JIS B 0401 (1998), the Japanese counterpart of ISO 286. Click one to open it in the calculator.
H9/h9clearanceD8/h9clearanceE8/h9clearanceH8/h9clearanceC9/h9clearanceD9/h9clearanceE9/h9clearanceB10/h9clearanceC10/h9clearanceD10/h9clearance
📚Sources
We compared the technical documents below and use values that agree in at least two of them.
- MISUMI jp.misumi-ec.com
- NBK (Nabeya Bi-tech) fujiikougyou.sakura.ne.jpfujiikougyou.sakura.ne.jpfujiikougyou.sakura.ne.jp
- Mitsubishi Materials mitsubishicarbide.netmitsubishicarbide.net
- OSG osg.co.jp
- Tungaloy tungaloy.com
- NSK nsk.com
- Miki Pulley mikipulley.co.jpmikipulley.co.jp
- Tsubakimoto Chain tt-net.tsubakimoto.co.jp
- KHK (Kohara Gear) khkgears.co.jpkhkgears.co.jp