Certified Maintenance and Reliability Technician (CMRT) Practice Test 2026 - Free CMRT Practice Questions and Study Guide

Excessive wear on bearings is an important indicator in maintenance and reliability practices, and it often suggests potential misalignment issues. Bearings are designed to support rotating elements and enable smooth movement. When they experience excessive wear, it typically means that there is uneven distribution of forces acting on them.

Misalignment can occur due to various factors such as improper installation, foundation issues, or operational stresses. When a bearing is misaligned, it does not rotate in a straight line which can lead to increased friction and more significant wear over time. This wear can manifest in various forms, including pitting, scoring, or discoloration of the bearing surfaces.

In contrast, correct alignment would lead to proper load distribution across the bearing surfaces and typically results in even wear patterns, indicating good operational conditions. If the bearings are in good health, they would exhibit minimal wear; similarly, effective lubrication would prevent excessive wear rather than contribute to it. Thus, excessive wear is closely linked to misalignment, highlighting the need for regular alignment checks and maintenance to ensure the longevity of machinery and its components.