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Smart Reasoning:

C&E

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Qaagi - Book of Why

Causes

Effects

that they run without any lubricant inside which tends to dry outcausingeventual bearing failure

by poor lubrication(passive) caused bycatastrophic bearing failure

leak enough fluidto causecatastrophic bearing failure

one - third ... installedincorrectly causingbearing failure in advance

enough ... the blockto causecatastrophic bearing failure

the thrust bearingscausingcatastrophic bearing failure

the end stopcausingcatastrophic bearing failure

the final blow ... stopcausingcatastrophic bearing failure

unloadingcan causecatastrophic bearing failure

insufficient lubrication , incorrect lubricant , misalignment , excessive vibration , shaft overload and overheating(passive) caused byBearing failure

the life of a Bearing ... normal oil film failurecould leadto Bearing failure

by improper lubrication and excessive bearing pre - load(passive) caused bybearing failure

Lack of lubrication , dirty oil , misalignment , and imbalance ... factorscan contributeto bearing failure

Inadequate lubricant , improper lubricant type , breakage , wear , corrosion , and other factorscan leadto bearing failure

Vibration ... the major causes of bearing wearwill ... leadto bearing failure

friction ... normal oil film failurecould leadto bearing failure

Electrical currents can flow through the bearing causing electrical arcing damage to the rolling contact surfacesultimately leadingto bearing failure

2 bearing assembly with clearance fit properly ... likelyto causebearing failure

along with a large side load on the rotor shaftcan leadto bearing failure

There has never been a mechanical seal failure alsomight had contributedto bearing failure

Friction increase and resulting bearing wearwill resultin bearing failure

damage ... excessive bearing noisewill ... causebearing failure

loss of lubricant from the bearing ... dry - running operationcan causebearing failure

bearing material or manufacturing problems(passive) is ... caused byBearing failure

by oil pump failure(passive) was caused bybearing failure

normal oil film failurecould leadto bearing failure

a lot by stray shaft currents induced by VFD 's that discharge through the motor bearings , resulting in fluting on the bearing(passive) is causedBearing failure

the oil or lack of it ... those bearingsleadsto bearing failure

This transmission of the overload through the bearing ... deformation of components in the bearing assemblycan leadto bearing failure

Lack of Oil service schedule ... issuesleadto bearing failure

High heat of the application causes expansion of the bearing inner ring leading to cracksultimately resultingin bearing failure

by a lack of lubrication since the failed bearing showed signs of lube oil starvation(passive) was caused bybearing failure

by lubricant contamination or loss of oil(passive) caused bybearing failure

Typical wheel separation is caused by wheel seal failurecausingbearing failure

Typical wheel separation is caused by wheel seal failurecausingbearing failure

Clearance of the bearing inner ring and shaft of interference , andcan ... causebearing failure

by insufficient bearing lubrication(passive) caused bybearing failure

components in the bearing assemblycan leadto bearing failure

that may have insufficient grease at the wheel endspossibly resultingin bearing failure

change the material structure of the steelultimately leadingto bearing failure

in other damage such as shaft gallingcan resultin other damage such as shaft galling

the wheel to separate from the vehicle or loss of steering controlcan causethe wheel to separate from the vehicle or loss of steering control

the wheel to separate from the vehicle or loss of steering controlcan causethe wheel to separate from the vehicle or loss of steering control

end play in crankshaft resulting in oil seal failurecausingend play in crankshaft resulting in oil seal failure

to complete machine failurecan leadto complete machine failure

a failure of most of the drive components but the housingcauseda failure of most of the drive components but the housing

lengthy unplanned downtime and potentially damage a machinecan causelengthy unplanned downtime and potentially damage a machine

the whole gearbox to stop working , resulting in unscheduled downtime and the potential costs of maintenance work , component replacement , and even lost productioncan causethe whole gearbox to stop working , resulting in unscheduled downtime and the potential costs of maintenance work , component replacement , and even lost production

early damage(passive) caused byearly damage

to an investigation into the failure finding that water in the lubricating oil led to increased bearing friction and premature failurewould often leadto an investigation into the failure finding that water in the lubricating oil led to increased bearing friction and premature failure

the two to contact also resulting a seizure or partial seizurecan causethe two to contact also resulting a seizure or partial seizure

in damage to the shaft and the shaft assemblyresultedin damage to the shaft and the shaft assembly

to loss of oil pressure and ultimately oil pump seizureledto loss of oil pressure and ultimately oil pump seizure

13 % of motor failures and bearing wear causes more than 60 % of the mechanical failures in a facilitycauses13 % of motor failures and bearing wear causes more than 60 % of the mechanical failures in a facility

to fairly radical amendmentledto fairly radical amendment

the loss of the port enginecausedthe loss of the port engine

in damage to the shaftresultedin damage to the shaft

in the failure of the machine in which its installedresultsin the failure of the machine in which its installed

to electrical failureleadsto electrical failure

in damage similar to thatresultingin damage similar to that

that seal failure(passive) was mostly caused bythat seal failure

to the seal failureleadingto the seal failure

to seal failureleadsto seal failure

damage(passive) caused bydamage

the other damagecould have causedthe other damage

it to make a lot of noise as wellcan also causeit to make a lot of noise as well

belt failuremay ... causebelt failure

significant productioncausingsignificant production

Media Damage(passive) Caused byMedia Damage

Media Damage(passive) Caused byMedia Damage

to catastrophic engine shut - downledto catastrophic engine shut - down

to unplanned downtime and production interruptioncan leadto unplanned downtime and production interruption

to a gear failure , which leads to a gearbox failureleadsto a gear failure , which leads to a gearbox failure

a critical machine to seize and stop productionmay causea critical machine to seize and stop production

problems(passive) caused byproblems

to the overall collapse of the entire bridgewill leadto the overall collapse of the entire bridge

to engine seizuremay leadto engine seizure

both wheel failures(passive) were caused byboth wheel failures

Bearing - related derailment Accident(passive) caused byBearing - related derailment Accident

damages of other componentscan causedamages of other components

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Smart Reasoning:

C&E

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