# Contact stress two cylinders

## Values for calculation

## Calculation

### Allowable Hertz pressure

$\text{if }\ \text{Hardened }$$\text{material }$$\text{1}= \text{yes}\wedge\text{Hardened }$$\text{material }$$\text{2}= \text{yes}$### Material coefficient

### Dimensional coefficient

### Load per unit length

### Diameter of sphere contact area

### Contact stress

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