What temperature should the bearing housing and a mandrel be heated to before pouring the liner for a friction bearing?

When preparing to pour a liner for a friction bearing, it's essential to heat the bearing housing and mandrel to a specific temperature to ensure proper adhesion and prevent issues such as distortion or cracking. The correct temperature for this process is typically around 200°F/93°C.

At this temperature, the materials involved (including the bearing housing and liner material) reach an optimal state that promotes the best bonding and allows the liner material to flow evenly into place. This temperature helps provide sufficient thermal energy to facilitate a smooth application while minimizing risks associated with thermal stress or inadequate material flow.

Heating above this temperature, such as to 250°F or 300°F, may increase the risk of damaging components or affecting the material properties of the liner or housing, leading to inefficiencies or failures in bearing function. Therefore, 200°F/93°C serves as the standardized and safest choice for this procedure, ensuring reliability in the performance of the friction bearing once completed.