What can cause misalignment?

Misalignment can arise from various factors, and all the options listed contribute to this issue in different ways. Poor alignment practices involve incorrect installation techniques, failure to use proper alignment tools, or neglecting to follow the manufacturer’s guidelines, which can lead to equipment being set at the wrong angles or distances.

Bearing wear occurs as machinery operates, where friction and load can gradually degrade the bearings. This wear can alter the positional relationship between the components, resulting in misalignment.

Thermal growth is another significant factor, as temperature changes can cause materials to expand or contract. As machinery operates and generates heat, components can shift in relation to one another, leading to misalignment.

Since all these factors are interrelated and can cause misalignment, the correct answer encompasses all options as contributors to the problem. This understanding emphasizes the importance of proper practices in installation, maintenance of bearing components, and consideration of thermal effects in machinery operation.