6.8 bearings Flashcards
1
Q
what does a plain bearing consist of
A
plain cylinder or flat washer surface
2
Q
is the material in a plain bearing harder or softer than the material they support
A
softer
3
Q
what are the inner and outer casing called in bearings
A
races
4
Q
what are the 2 loads on a bearing
A
axial
radial
5
Q
what is axial load
A
thrust load
acting along the supported shaft
eg: push or pull the shaft
6
Q
what is radial load
A
acting at right angles to the shaft
eg
hanging weight on a horizontal shaft
7
Q
what are synthetic bearings often lubricated with
A
water
8
Q
how to prevent insufficient oil in machines with sliding bearings
A
grease pump
operating before starting machine
9
Q
A
