ISO tolerance classes for shafts
| Shaft
|
Bearing | Shaft diameter deviations
|
|||||||||||
| Nominal diameter
|
Bore diameter
tolerance |
Tolerance classes1) |
|||||||||||
| d | Δdmp | g6 | h6 | k6 | m6 | n6 | |||||||
| over | incl. | high | low | high | low | high | low | high | low | high | low | high | low |
| mm | μm | μm | |||||||||||
| 3 | 6 | -8 | 0 | -4 | -12 | 0 | -8 | +9 | +1 | +12 | +4 | +16 | +8 |
| 6 | 10 | -8 | 0 | -5 | -14 | 0 | -9 | +10 | +1 | +15 | +6 | +19 | +10 |
| 10 | 18 | -8 | 0 | -6 | -17 | 0 | -11 | +12 | +1 | +18 | +7 | +23 | +12 |
| 18 | 30 | -10 | 0 | -7 | -20 | 0 | -13 | +15 | +2 | +21 | +8 | +28 | +15 |
| 30 | 50 | -12 | 0 | -9 | -25 | 0 | -16 | +18 | +2 | +25 | +9 | +33 | +17 |
| 50 | 80 | -15 | 0 | -10 | -29 | 0 | -19 | +21 | +2 | +30 | +11 | +39 | +20 |
| 80 | 120 | -20 | 0 | -12 | -34 | 0 | -22 | +25 | +3 | +35 | +13 | +45 | +23 |
| 120 | 180 | -25 | 0 | -14 | -39 | 0 | -25 | +28 | +3 | +40 | +15 | +52 | +27 |
| 180 | 250 | -30 | 0 | -15 | -44 | 0 | -29 | +33 | +4 | +46 | +17 | +60 | +31 |
| 250 | 315 | -35 | 0 | -17 | -49 | 0 | -32 | +36 | +4 | +52 | +20 | +66 | +34 |
| 315 | 400 | -40 | 0 | -18 | -54 | 0 | -36 | +40 | +4 | +57 | +21 | +73 | +37 |
| 400 | 500 | -45 | 0 | -20 | -60 | 0 | -40 | +45 | +5 | +63 | +23 | +80 | +40 |
| 500 | 630 | -50 | 0 | -22 | -66 | 0 | -44 | +44 | 0 | +70 | +26 | +88 | +44 |
| 630 | 800 | -75 | 0 | -24 | -74 | 0 | -50 | +50 | 0 | +80 | +30 | +100 | +50 |
| 800 | 1 000 | -100 | 0 | -26 | -82 | 0 | -56 | +56 | 0 | +90 | +34 | +112 | +56 |
| 1 000 | 1 250 | -125 | 0 | -28 | -94 | 0 | -66 | +66 | 0 | +106 | +40 | +132 | +66 |
The symbols used in the tolerance table are explained in the following:
| d
|
= | nominal shaft diameter
|
| Δdmp | = | deviation of the mean bore diameter from the nominal in a single plane
|
-
1)
All ISO tolerance classes are valid with the envelope requirement (such as H7
) in accordance with ISO 14405-1:2010.
