The primary function of bearings is to
Loads that occur at right angles to the shaft are called
Loads that are at a 45 degree angle to the shaft would require
Bearings which have no moving elements are called
An advantage of using a non-friction bearing is that:
The most common bearing used in engine crankshaft and camshaft application is the
The method of lubrication that separates two objects entirely by a cushion of oil is called
The hardened steel rings which make up the inner and outer part of a non-friction bearing are called
To select a non-friction bearing, you must determine 1/the size of the bearing races, 2/the number and type of rolling elements and 3/ ________________.
The most efficient bearing for radial loads is the
Needle bearings will always have an inner race supplied with a new bearing.
One piece bushings should be removed and installed with
One precaution when working with non-friction bearings is to always
One precaution when removing a bearing with a shop press is to
One of the first indications or complaints that would indicate a fatigue failure in an anti-friction bearing would likely be
Seals which are used in locations where they are subject to motion are called
The most common type of manufactured seal used today in dynamic applications is the
One important factor in installing a manufactured dynamic seal correctly is to
A general rule for seal replacement is that you should replace
The most common type of squeeze type static seal or packing is the
When correctly installing an O-ring onto a sealing surface, you must make sure that
After installing a new seal and assembling all the components into place, as a final check, you should always
Any type of damage to a bearing other than normal wear failure is called
Too much lubrication is always better for extending the life of a bearing than too little lubrication
One possible cause of noise and vibration in an axle housing is
Another name for friction bearings is
Seals which are required to keep lubricants in are called
One advantage of silicon seals is that they can be used in high friction and high torque applications because they
If you were selecting a seal for slow moving applications that would retain grease, you would select a
Compression packings need frequent adjustment to compensate for wear.
The most common type of lip-type packing used is the:
Some exclusion seals that have a metallic lip are called:
The most important consideration in selecting a bearing lubricant is the:
Technician A says brinelling appears as indentations across the bearing raceway. Technician B says brinelling occurs when the bearing rollers do not rotate. Who is right?
The most common cause of wheel bearing failure is likely to be
You are servicing a truck''s wheel bearings. Technician A says that you use a high quality high temperature grease when repacking is necessary. Technician B says it''s proper to move wheel bearings from one wheel to another. Who is right?
Technician A adjusts wheel bearings while turning the wheel assembly. Technician B refers to the manufacturer''s procedures when adjusting wheel bearings, Who is right?
A tapered roller bearing is best suited for:
If you use a hammer and a punch to install a bearing on a tight shaft and inside a tight bore damage to the bearing roller or ball raceways may result in the form of:
Thrust loads on a bearing are:
When repacking a wheel bearing with grease you should:
Darkened or burnt metal in a bearing is a sign of overheating caused by:
Etching, as shown in the picture below, is most commonly caused by:
The bearing below would be classified as a:
Spalling of bearings as shown below would be caused by:
Peeling of a bearing hardened surface, as shown, is most often the result of:
When installing new roller bearings, the technician must first:
Grease from a container which has been left open can still be used as long as you remove the contaminated top layer.
In relation to lubricants (transmission and drive axle) what is channeling?
What damage is caused by over-greasing?
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