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jon66

Joined:

Feb 09

Posts: 541

jon66 says:

bloody bearings

my CBF500 rear wheel bearing have got play in them again , they were only replaced 6 months ago , anybody had this kind of issue before ?:upset:

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  • Posted 3 years ago (09 May 2012 21:15)

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stevebaldy

Joined:

Aug 07

Posts: 6169

stevebaldy says:

this is a motorcycle forum

what the F are you posting thi....................oh yeh, i see now! :dopeyhmmmm:

...and no, sorry!

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JAWAPAWA

Joined:

Sep 10

Posts: 2255

JAWAPAWA says:

are they zzs

NSK zzs? go for them next time

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honwal

Joined:

Feb 10

Posts: 1366

honwal says:

are they

the plasticy ones,

if so find a bearing engineering shop, take old bearing and they will measure it for you and replace with stainless ones,

had prob with an old dirt bike which were plastic, changed for ss lasted a lot longer

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JAWAPAWA

Joined:

Sep 10

Posts: 2255

JAWAPAWA says:

NSK

do a ZZ. Shielded stainless

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jon66

Joined:

Feb 09

Posts: 541

jon66 says:

honda parts

from the local dealers , thought they were stainless steel

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James600zx

Joined:

Sep 07

Posts: 2864

James600zx says:

Wheel bearings.

Some years ago I was left stranded when my sprocket carrier came adrift, signalled by a clicking from the chain and a visible offset when I pulled over. My regular mechanic was surprised and I've since wondered whether my fierce rear wheel cleaning regime (with all sorts of acidic sprays) took the grease out. My wheels are now badly in need of paint.

How do folks with white wheels keep them looking good, I wonder?

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jaffa90

Joined:

Mar 09

Posts: 9034

jaffa90 says:

bearings

Bearings can be ruined/damaged at fitting and also with faulty/damaged spacers causing side/axial stress.

What the f*ck is plasticy ones?:unsure: 

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KrismusSikpunz

Joined:

Mar 12

Posts: 1286

Like the Jaffaman say

Fitting a wheel bearing (just a guide for a novice)

Clean thoroughly, then warm the housing (next to a rad overnight will suffice), chill the bearing (overnight in the fridge will help), then quickly fit using a hammer and a round drift which is slightly smaller than the outside diameter of the bearing. Do not hit the inner.

If it has a seperate outer seal, grease it well internally with moly grease, then fit using the same drift.

Do not use lithium grease!

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AdieR

Joined:

Apr 08

Posts: 3042

AdieR says:

As Jaffa

poor fitting techniques can bugger them in no time, insufficient cleaning of components at installation, jetwashing can blast grease out, and trying to use a "substitute" bearing thats ever-so-slightly the wrong size (eg, trying to force fit a 2" / 50.8mm bearing into a 50mm recess - and yep, I've seen it done) can all cause trouble later on. Any seals should be replaced as a matter of course.

One food factory I know of often end up replacing bearings  practically every 6 weeks on some of their conveyors - a combination of bad fitting (damaging the bearing and seals) and high-pressure washing (water and detergents getting into the newly damaged "new" bearing) buggered them in no time at all.

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eatcs01

Joined:

Aug 02

Posts: 3287

eatcs01 says:

bearings

If your chain is too tight, it can knacker bearings...

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