Bearing Load Capacity Calculator


Ultimate Load Capacity (P) in lbs:

Introduction to the Bearing Load Capacity Calculator

In the world of engineering and construction, accurately determining the load capacity of bearings is crucial. Our Bearing Load Capacity Calculator is a state-of-the-art tool designed to make this task easier and more accurate. It uses the fundamental formula P = Pu × fcu × Ac to calculate the ultimate load capacity of bearings, where P is the ultimate load capacity, Pu is the ultimate bearing capacity factor, fcu is the characteristic compressive strength of the concrete, and Ac is the contact area between the bearing and the concrete.

Understanding the Equation

The equation P = Pu × fcu × Ac forms the backbone of this calculation. Each component of this formula plays a critical role:

Ultimate Bearing Capacity Factor (Pu): This factor indicates the maximum stress the bearing can withstand before failure.
Characteristic Compressive Strength of Concrete (fcu): This value reflects the concrete’s ability to resist compression forces.
Contact Area between Bearing and Concrete (Ac): The surface area through which the load is transmitted from the bearing to its concrete support.
By inputting these variables into our calculator, professionals can determine the maximum load a bearing can handle, ensuring safety and reliability in their projects.

How to Use the Bearing Load Capacity Calculator

Using our calculator is straightforward:

Enter the Ultimate Bearing Capacity Factor (Pu): Input the Pu value based on the bearing specifications.
Input the Compressive Strength (fcu): Add the fcu value, typically provided in concrete mix documentation.
Specify the Contact Area (Ac): Measure and input the area of contact between the bearing and its concrete base.
After entering these values, the calculator processes the data using the P = Pu × fcu × Ac formula and outputs the bearing’s ultimate load capacity.

Applications in Engineering and Construction

This calculator is an invaluable tool for various applications, including:

Building Construction: Ensures bearings in structures can withstand required loads.
Bridge Design: Assists in calculating the load capacity of bearings used in bridges.
Machinery Installation: Helps in determining the appropriate bearings for heavy machinery.


The Bearing Load Capacity Calculator is an essential tool for engineers and construction professionals, providing quick, accurate, and reliable calculations. It ensures the safety and integrity of various structures and machinery by accurately determining the bearing load capacities. Try it out today to streamline your engineering calculations!