Shaft misalignment may cause which of the following?

Shaft misalignment can indeed lead to a variety of issues within rotating equipment, and the selection of "All are correct" reflects the comprehensive impact of misalignment.

When shafts are misaligned, it creates uneven loads on the bearings. This can significantly accelerate the failure of the bearings, as they are forced to work harder to accommodate the misalignment, leading to early wear and potential catastrophic failure.

Additionally, a misaligned shaft generates excess vibration in the machinery. This vibration not only contributes to further wear and tear on various components of the machinery but can also lead to resonance issues that exacerbate the problem, potentially causing damage to other parts of the equipment.

Moreover, shaft wear is a direct consequence of misalignment, as the incorrect alignment leads to uneven contact and friction between the shaft and its corresponding components. Over time, this undue stress can cause significant wear on the shaft itself, which may necessitate replacement or extensive repairs.

Thus, the statement that all factors are correct emphasizes the critical importance of ensuring proper alignment in machinery to maintain optimal performance and reduce the risk of failure.