Overhung Load Calculator


Calculating overhung load is essential in various engineering applications, especially in the design and analysis of rotating machinery. Whether it’s determining the maximum load a motor shaft can bear or evaluating the stress on a bearing, having an accurate overhung load calculation is crucial. To streamline this process, we can create a simple yet effective calculator.

How to Use

Using the overhung load calculator is straightforward. Simply input the required parameters, such as the radial load, axial load, shaft diameter, and length, into the designated fields. After entering the values, click the “Calculate” button to obtain the result.


The formula for calculating overhung load can vary based on the specific application and assumptions. However, a commonly used formula for calculating the overhung load (OL) is:


  • Fr​ = Radial load (perpendicular to the shaft)
  • L = Length of the overhang
  • d = Diameter of the shaft
  • Fa​ = Axial load (parallel to the shaft)

Example Solve

Let’s consider an example where:

  • Radial load (Fr​) = 500 N
  • Axial load (Fa​) = 300 N
  • Shaft diameter (d) = 0.05 m
  • Length of overhang (L) = 0.1 m

Using the provided formula, we can calculate the overhung load as follows:




Q: What is an overhung load?

A: An overhung load refers to the force exerted on a rotating shaft due to loads that are not supported directly by the bearings but are instead offset from the bearing support.

Q: Why is it important to calculate overhung load?

A: Calculating overhung load helps engineers ensure that the shaft and supporting components can withstand the applied forces, thereby preventing premature failure and ensuring the reliability of the machinery.

Q: Can this calculator be used for all types of shaft designs?

A: While this calculator provides a general estimation of overhung load, it’s important to note that specific applications may require additional considerations and more complex formulas.


In conclusion, the overhung load calculator provides a convenient tool for engineers and designers to quickly assess the forces acting on rotating shafts. By accurately calculating the overhung load, engineers can make informed decisions regarding the design, selection, and operation of machinery, ultimately leading to safer and more efficient systems.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *