DIN 7157
|
DIN 7157 |
|---|---|
| Area | Fits |
| title | Fit selection |
| Brief description: | Clearance and oversize in fitting systems |
| Latest edition | 1.1966 |
| ISO | 286 |
The DIN standard DIN 7157 defines fit selections in the fit systems of standard bore and standard shaft . The following illustration is an extract from the selection of fits defined in DIN 7157.
Combinations in the unit bore system with clearance (clearance fits):
| Drilling: | H11 | H8 | H8 | H8 | H7 | H7 | H8 | H7 |
| Wave: | d9 | d9 | e8 | f7 | f7 | g6 | h9 | h6 |
Combinations in the unit bore system with clearance or oversize (transition fits):
| Drilling: | H7 | H7 | H7 |
| wave | j6 | k9 | n6 |
Combinations in the system of unit bore with oversize (press fits):
| drilling | H7 | H7 | H8 | H8 |
| wave | r6 | s6 | u8 | x8 |
Combinations in the unit shaft system with clearance (clearance fits):
| drilling | C11 | C11 | D10 | E9 | F8 | F8 | G7 | H8 |
| wave | h11 | h9 | h9 | h9 | h9 | h6 | h6 | h9 |
No transition or press fits are specified in this DIN for the standard shaft system.