Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1918-10-27
.S|MPL|F|ED LESSONS IN
CARE OF AUTOMOBILE
Different Uses and Composition OF
Roller Bearings Interest
ingly Illustrated.
LUBRICATIoN AND CLEANLINESS
This About Only Care These Impo!-
tant Parts RcQuirc-Rust, How
ever, Is Enemy to Bearings, Which
Should be Remembered.
Lesson No. Ill.

Lesson No. III.
Downright. 1913. by Fred. {. GucrriichD
TIL. bearings used IN the engine are
almost universally of the Rabbit or
bronze type. the ball or roller bearing
seldom being used; One reason for
jecicd to considerable heat. and this
heat might result in the expansion OF
the balls or rollers ,the clearanccs of
which are extremely snall>. and so
cause binding. Again. most Of the
"u-ine bearings are constantly sub
'cctcd 20 blows, under which the
WHY'S would pc liable 20 crack.
ON almos, all other parts Of the
automobile. The ball or roller bearing
is generally used. there seldom being
found the bahbitt or bronze bearing
excepting whore the movement is hut
slight. as in the universal joints, spring
saddles and GNlcS. shaCklcS. etc.
As we said before. parts can move
on ono another in three ways: namely.
linealy or In line. as for example,
the other. as tho transmission gear
shafts or two flat surfaces can spin
or revolvc on one another. AS in the
form of thrust. the bearing used is
called Thrust Bearing" while those
used for tho second case arc called
Figures l and . show ball bear
ing as is, used in the transmission.
the ,,et outer y'.ei' r,cewav the inner races
way c the balls and II the ball re-
tainer. or cage. When these bearings
thing that can nc done is to replace
Them. The writer does not advise re-
pairing them.
ABOUT the only care these bearings
require is fabrication. and extreme
cleanliness. If the slightest piece OF
metal goes into the bearing. it may
raceway,. This would be Indicated by
a scratching sort OF noise when the
car is running.
Figure ; shows what is known as
hearing is usually found In the front
wheels. Novices. when putting the
ing, sometimes make the mistake of
getting the balls and their retainer
reversed; getting the portion y where
than Is. naturally leads to the belief
that it should come TO the larger outer
raceway. When this is done the boa.
ing will likely he ruined.
Figure shows an excellent type
OF roller bcar!ug-the Hyatt flexible.
II the roller OF a roller hearing were
to take n position which is not abso-
he subjected to bending strain. ror
which reason plain solid roller Is
Hyatt bearing is designed the roi Ter
can bend without breaking. The
Hyatt bearings will he found in a
very large percentage of the ears
Another excellent and much-uso,
roller hearing is the Ttmlan, wbich
has short-tapcred rollers. As i, is de-.
signed, It will also act as a inrus,
bearing 10 some extent. Because OF
simply tichteninr Inc NUS which I,oii
the bearing in Mac. Ivhen tt"b,an
ing bearings OF Inc adjust hin ~
the wheels .nusi ", lacked Nm a,S ~.
hearing ;igatcncd as much ~ nmssihir
without making it impossibie TO shin
the wheel by hand 'rbr whccI ,,m,..
not bind"
Figure , shows a bau-,hrust hc,r-
ing Here \ and y arr. thc r,,.,,.o,
aud c the retainer with It's halls
.IIt'N- nm .t.unu.,,. 49,,
,rn ,.n'S
"oHN BEARINGS.
!n:Ee amount OF the hum" or
sroW! which develops in the trans
, ,nhiSsioh ana me Gl'ierentia! is due TO
me worn bearings, as when the bear
i,'GS become worn, not only will they
~ my '!e gears 10 become Il little
VOC .aI apart, but they will allow
certain amount OF side play for the
Shait.
IN" way to tell II a bearing OF the
i!ps shown IN Figs. and = is Worn.
I.