Failure Analysis (A8101)

In Mechanical

Details

Learn the purpose of bearings and how bearings can reduce friction and maintain the alignment of operating equipment.

Prerequisites

This lesson is designed for participants familiar with safe shop practices and the use of hand tools and precision measuring instruments.

Description

This lesson explains the purpose of bearings and demonstrates how bearings reduce friction and maintain the alignment of operating equipment. The basic operation of anti-friction bearings and plain journal bearings is demonstrated as well as the importance of full fluid film lubrication and proper lubrication clearance. Additionally, indications of various premature bearing failures are discussed.

Objectives

Understand how bearings reduce friction. Describe radial, axial (thrust), and angular load in terms of the pressure applied to the shaft and bearing. Understand the operation of common types of plain bearings and their applications. Understand the operation of common types of anti-friction bearings and their applications. Understand the purpose of seals and shields and the conditions when each is used. Relate the “interference fit” to bearing operation. Recognize common indications of bearing failure.

Contents

This lesson explains the purpose of bearings and demonstrates how
bearings reduce friction and maintain the alignment of operating
equipment. The basic operation of anti-friction bearings and plain
journal bearings is demonstrated as well as the importance of full fluid
film lubrication and proper lubrication clearance. Additionally,
indications of various premature bearing failures are discussed.

  • Bearing Failure Analysis

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