Bearings – Reducing Failure Rate

Mechanical Skills Training

Description: This comprehensive interactive multimedia training program consists of two individual lessons that train participants remove, inspect, select, handle, install, and troubleshoot bearings according to manufacturers’ instructions and best practices. Participants learn how to identify replacement bearings and install and maintain the bearings properly using the right tools.

Audience: This program is excellent for training mechanics and millwrights as well as for the multi-craft needs of process and manufacturing facilities.

Platforms: Online Learning

Number of Courses: 2

Failure Analysis

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
Identify common types of premature bearing failure and some of the means used to prevent them

Maintaining Bearings

Prerequisites:

This lesson is designed for participants familiar with safe shop practices, the use of hand tools and precision measuring devices, as well as bearings failure analysis.

Description:

This lesson explains and demonstrates how to clean and disassemble bearing housings and how to dismount, inspect, and mount common types of bearings. The importance of cleanliness and following manufacturers’ instructions are stressed throughout each demonstrated procedure.

Objectives:

Dismount anti-friction bearings using a bearing press and/or a bearing puller
Inspect the bearing for signs of failure
Clean the shaft and check for taper and out-of-round using the proper measuring instruments
Clean the housing and check for damage
Select the proper bearing for replacement, if necessary
Properly orient a bearing prior to installation
Mount a bearing using an induction heater and/or an arbor press
Measure the bearing’s inner and outer clearances during installation
Properly lubricate bearings per manufacturers’ recommendations

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Bearings – Reducing Failure Rate

Mechanical Skills Training

Failure Analysis

Maintaining Bearings

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