Who determines the axial and radial loading capability of a pump or motor?

The axial and radial loading capability of a pump or motor is determined by the manufacturer. This is because manufacturers have specific knowledge about the materials and design of their products, including the tolerances, clearances, and structural integrity required to withstand various loads during operation. They conduct tests and use engineering principles to specify the maximum axial and radial loads that a pump or motor can handle.

Moreover, manufacturers often provide these specifications in product literature or technical data sheets, ensuring that engineers and system designers can adequately assess whether a particular pump or motor is suitable for their application. This allows users to make informed decisions based on the manufacturer's guidelines, ensuring proper operation and durability in the system.

In contrast, the system designer can incorporate these capabilities into the overall design but relies on the manufacturer's data. Users during operation may encounter issues if they exceed these capabilities, but they do not have the means to determine them independently. Engineering standards may provide guidelines or best practices, but they do not directly specify the capabilities for a particular make or model. Thus, the manufacturer is the correct source for this critical information.