NCCER Millwright Practice Exam 2025 – The Comprehensive All-in-One Guide for Exam Success!

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What type of bearing is specifically designed to assist with radial loads?

Journal bearing

Deep groove ball bearing

A deep groove ball bearing is specifically designed to assist with radial loads due to its construction and geometry. It consists of an inner and outer ring with a series of balls positioned between them, which allows for smooth rotation. The design enables it to accommodate both radial loads and some axial loads, making it versatile for various applications. The profile of the groove accommodates the balls effectively, allowing them to handle loads from multiple directions while minimizing friction and wear.

Other bearing types may focus on different load types; for example, thrust bearings are designed mainly for axial loads, while roller bearings can handle both radial and axial loads but are typically better suited for heavier radial loads compared to deep groove ball bearings. Journal bearings provide support through fluid film and are not as direct in handling radial loads without additional components.

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Thrust bearing

Roller bearing

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