Loads On Bearings / Hyrdrodynamic Bearings

Question 1

This load on bearing shifts on arc less than 180 degrees . Also this bearings pushes up on the bearing.. Is the bearing reciprocating load or oscillating load

Answer 1

Oscillating Load

Question 2

The journal pulls down on this bearing and the load shifts 180 degresss from one side of bearing , which load on the bearing is this

Answer 2

Reciprocating load

Question 3

The bearing to align its bore with sag in the shaft of heavy rotor installation. This bearing seat is usually used on very large turbines

Answer 3

Spherical seat

Question 4

.This bearing depends on the rotation of the shaft to deal oil into the loaded area, it can also be split bearing or a bushing
.The oil inlet is located in the unloaded area
.This normal operating speed the bearing is supported on a full film of oil

Answer 4

Hydrodynamic Bearings

Question 5

These bearings are good for heavy shock loads , this bearing does not depend on shaft rotation to drag oil into the loaded area , oil is admitted through holes or a slot into pockets called recess.

Answer 5

Hydrostatic bearings

Question 6

This bearing is a stationary base ring with tilting segments of bearing material attaches to its face

Answer 6

Tilting pad thrust bearing

Question 7

What are some advantages of Babbitt?

Answer 7

. Strength
. High embeddabilty
. Good thrmal conductivity
. Good corrosion resistance
. Excellent bonaabilty and low cost

Question 8

What is brinelling

Answer 8

. Hammer blows to the bearing during installation
. Droping the bearing on hard surface
. Shook loading on the machine from any source

Question 9

What is false brinelling

Answer 9

. The bearing is not Turning
. The vibration causes the film of lubricant between the rolling elements
. The rolling elements vibrating agansit the race way

Question 10

Correct ammount of lubraiction should be what ?

Answer 10

1/3 and 1/2 way up the lowest rolling element