Printed from Kezuriba (kezuriba.net/en/fits/shaft-e8/)

e8 tolerance (shaft) — limit deviations

Upper and lower limit deviations of shaft tolerance class e8 (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 e8 shaft must be between 24.927 and 24.960 mm.

▤e8 limit deviations (µm)

Nominal size (mm)	Upper	Lower	Tolerance	Calc
up to 3	−14	−28	14	→
over 3 to 6	−20	−38	18	→
over 6 to 10	−25	−47	22	→
over 10 to 14	−32	−59	27	→
over 14 to 18	−32	−59	27	→
over 18 to 24	−40	−73	33	→
over 24 to 30	−40	−73	33	→
over 30 to 40	−50	−89	39	→
over 40 to 50	−50	−89	39	→
over 50 to 65	−60	−106	46	→
over 65 to 80	−60	−106	46	→
over 80 to 100	−72	−126	54	→
over 100 to 120	−72	−126	54	→
over 120 to 140	−85	−148	63	→
over 140 to 160	−85	−148	63	→
over 160 to 180	−85	−148	63	→
over 180 to 200	−100	−172	72	→
over 200 to 225	−100	−172	72	→
over 225 to 250	−100	−172	72	→
over 250 to 280	−110	−191	81	→
over 280 to 315	−110	−191	81	→
over 315 to 355	−125	−214	89	→
over 355 to 400	−125	−214	89	→
over 400 to 450	−135	−232	97	→
over 450 to 500	−135	−232	97	→

⊂⊃Common fits that use this class

Partners of e8 in the preferred fits of JIS B 0401 (1998), the Japanese counterpart of ISO 286. Click one to open it in the calculator.

H8/e8clearance H9/e8clearance

📚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.jp fujiikougyou.sakura.ne.jp fujiikougyou.sakura.ne.jp
Mitsubishi Materials mitsubishicarbide.net mitsubishicarbide.net
OSG osg.co.jp
Miki Pulley mikipulley.co.jp mikipulley.co.jp
Tsubakimoto Chain tt-net.tsubakimoto.co.jp
KHK (Kohara Gear) khkgears.co.jp khkgears.co.jp

Other shaft tolerance classes

d9 e7 e9 f6 f7 f8 g5 g6 h5 h6 h7 h8 h9 js5 js6 js7 k5 k6 m5 m6 n6 p6 r6 s6