| This calculates the delfection of the outer race of a bearing when it is pressed into a housing. |
| These equations are from Shigley and Mischke “Mechanical Engineering Design” Fifth Ediion p.62-63 |
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| Bearing |
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Housing |
| Modulus of Elasticity of Inner component (Ei) |
30000000 |
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Modulus of Elasticity of Outer component (Eo) |
| Inner Radius of Inner Component (land radius)(ri) |
0.1705 |
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Outer Radius of Outer Component (ro) |
| Poisson’s Ratio of Inner Component (vi) |
0.292 |
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Poission’s Ratio of Outer Component (vo) |
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| Radius at Press (interface) (R) |
0.1875 |
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| Radial Press (d) |
0.0003 |
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| Results |
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| Resulting Pressure (p) |
2599.551782 |
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| Increase in Housing Outer Radius (delta ro) |
0.000123797 |
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| Decrease in Bearing Inner Radius of OD (delta ri) |
0.000176203 |
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| Assumptions: |
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| Both members have the same length. |
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| Cross sections are uniform. |
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| Radial interference is constant around the circumference. |
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