4 Bearing Maintenance and Troubleshooting Quiz

What is the function of a bearing?

• To increase wear and tear

• To minimize frictional resistance

• To reduce lubrication

• To generate heat

What is the purpose of seals in a bearing system?

• To increase friction

• To prevent leakage of lubricant and entry of contaminants

• To reduce bearing load

• To create gaps between bearing components

What is the primary type of friction in bearing systems that occurs in bearings with rolling elements?

• Static friction

• Vibration friction

• Rolling friction

• Sliding friction

What is the primary cause of spalling in bearings?

• Misalignment

• Contamination

• Inadequate lubrication

• Excessive preload

What is the primary method for mounting a bearing without heating?

• Induction mounting

• Cold mounting

• Hydraulic mounting

• Temperature mounting

What is the primary cause of wear or other damage in bearings?

• Misalignment

• Inadequate lubrication

• Excessive preload

• Contamination

What is the primary method for dismounting bearings using the hydraulic method?

• Using a hammer

• Injecting oil between mating surfaces

• Using a soft metal

• Using a press

What is the primary cause of etching and corrosion in bearings?

• Exposure to moisture

• Exceeding machine limits

• Improper handling

• Improper maintenance

What is the primary cause of peeling in bearings?

• Misuse

• Contamination

• Excessive preload

• Inadequate lubrication

What is the primary cause of rib-roller end scoring in bearings?

• Contamination

• Misalignment

• Inadequate lubrication

• Excessive preload