7.11 Flashcards
1
Q
What are the advantages of lubricants
A
Separates bearings moving parts
Carries heat away
Protects from surface corrosion
Helps bearing to have a longer service life
2
Q
What is the most common lubricate for bearings
A
Grease
3
Q
What is important not to do when greasing a bearing and why
A
Over grease
As it will cause churning which causes high temps, posing a fire hazard
4
Q
What are the 4 defects of a bearing
A
Excessive loads
Overheating
False brinelling
True brinelling
5
Q
What is false brinelling
A
Elliptical wear marks in bearing race
6
Q
What is true brinelling
A
Caused by static load or severe impact
Shown by pot marks
7
Q
Within what time should you lubricate a bearing
A
No more than 2 hours after it’s final rinse
