If ball or roller bearings are installed slightly out of alignment, what is the likely consequence?

When ball or roller bearings are installed slightly out of alignment, the most likely consequence is a shorter service life. Misalignment causes uneven load distribution on the bearings, which leads to increased wear and tear over time. As the bearings operate under misaligned conditions, they may experience localized stress points that can develop into surface fatigue or failure, ultimately reducing their operational lifespan.

Proper alignment is crucial for ensuring that the bearings can rotate smoothly and efficiently without excessive wear. If left unaddressed, the misalignment can lead to premature failure, which may manifest as binding, increased heat generation, and the need for more frequent maintenance or replacement. Hence, a shorter service life is a direct result of improper alignment during installation.