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Using a bearing puller is considered the most common and effective method for removing a bearing because it is specifically designed for this task. A bearing puller applies even and controlled force, ensuring that the bearing is removed without damaging the surrounding components or causing deformation to the bearing itself. This precision is especially crucial in applications where maintaining integrity is vital for performance and safety.

In contrast, using a hammer, while sometimes a quick solution, can lead to physical damage to both the bearing and the housing. It may introduce misalignment or excess vibration, which can compromise the performance of the equipment. A wrench would not be suitable since it is intended for turning bolts or nuts rather than pulling out bearings. Similarly, a pry bar might work for some applications, but it can also cause damage and is not as efficient or safe as a bearing puller that is designed specifically for this purpose.