Enter two of the three values into the calculator to determine the missing value.

Radial Load Calculator

Resolve Components
Overhung/OHL
Bearing Eq. Load & Life
Gear Forces

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Radial Load Formula

The following equation is used to calculate the radial load when the applied force and angle are known.

R = F \cdot cos(\theta)
  • Where R is the radial load (N)
  • F is the applied force (N)
  • θ is the angle (°)

To calculate the radial load, multiply the applied force by the cosine of the angle.

What is a Radial Load?

Definition:

Radial load refers to the component of a force acting perpendicular to an object's axis, often influencing the performance of bearings and rotating machinery.

How to Calculate Radial Load?

Example Problem:

The following example outlines the steps and information needed to calculate the Radial Load.

First, determine the applied force. In this example, assume an applied force of 100 N.

Next, determine the angle at which the force is applied. Suppose the angle is 60°.

Finally, calculate the radial load using the formula above:

R = F ⋅ cos(θ)

R = 100 * cos(60°)

R = 100 * 0.5

R = 50 N

FAQ

What factors can affect the radial load calculation?

The accuracy of the applied force measurement, the precision in the angle measurement, and the method of force decomposition can all affect the radial load calculation.

What happens if the angle is 90°?

If the angle is 90°, the cosine value becomes zero, resulting in a radial load of zero, which means the force is applied entirely tangentially.

Can I use this calculator to compute any missing variable?

Yes, by leaving one field empty—whether it’s the applied force, the angle, or the radial load—the calculator will compute the missing value based on the provided inputs.