Card Set Information
T12 Bearings Seals
Bearings and Seals
What are the 3 most common types of bearings?
Plain, Anti friction and elastomeric
Name 2 types of bearing loads?
Radial, and thrust
which way is a radial load relative to the shaft running through the shaft?
which way is a thrust load?
due to axial movement on the shaft
Name 4 advantages of Plain bearings?
Disadvantage of plain bearings?
requires contionious lubercation
What are babbit bearings most commonly used for?
which type of bearing hold luberication the best?
sintered metal bearing
Name 3 factors that determine the load carrying capacity of a bearing?
Size of the bearing
# of rolling elements
the types of races
Name 5 types of antifriction bearings?
what are some advantages to antifriction bearings/
can be packed to reduce frequency of luberication
versatile because of many designs
Name some disadvantages to anti friction bearings?
Requires more space than plain bearings
less rigid than plain bearings
What are the 4 basic loads of ball bearings ?
radial thrust load
self aligning, radial load
What are the primary functions of bearings?
Support moving parts
Provides replacable wear surfaces
What bearings support heavy loads perpendicular to the shaft?
Define face to face
back to back
face to back
-inner race of thrust faces contact
-deep shoulder takes thrust
-installed in tandem
How do you install a bearing on a shaft?
apply pressure to the inner race
Name 5 types of defects on bearings
how do you install a bearing on the inside diameter?
Apply pressure on the outside race
How do you install bearings in a pinch fit application?
Heat housing and chill the bearing
How can you pre-heat a housing?
Induction, electric heaters, oil bath, oven (no open flame)
How are bearings held in place?
Which bearing can accept radial, axial and torsional loads?
Advantages of Elastromeric bearings?
No dissambely required on inspection
no brinelling, pitting, galling
What can cause corrosion in elastromeric bearings?
Name 4 types of damage that can occour to elastromeric bearings?
Name 4 types of Dynamic seals?
Radial Lip seal
Name 3 types of static seals?
Non Metallic gaskets
Which seal is installed in high heat applications?
Name the Dynamic Seals?
Name the Static Seals?