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Wheel bearings - Do you care what product?

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haroman666
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PostPosted: 20:04 - 22 Feb 2016    Post subject: Wheel bearings - Do you care what product? Reply with quote

So i'm just having a ganders at wheel bearings for my CBR and as with most things, there's a vast range of choices and prices.

Previous bearings I have bought have always been whatever's cheapest.

I have already done the wheel bearings on the CBR and I think maybe 20,000miles later I need to do them again.

So i'm looking at perhaps spending a touch more for a better quality bearing/seal combo.

It passed through my head and I wondered if anybody preferred a certain manufacturer over others for price/longevity compromise.

All Balls, Kyoto, PFI, blah blah blah.

What do you go for?
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MarJay
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PostPosted: 20:11 - 22 Feb 2016    Post subject: Reply with quote

Wheel bearings aren't worth scrimping on IMO. In fact, ANY sort of safety critical bearing is worth spending money on.

Koyo are Japanese made, and about the best quality you'll get for a 'motorcycle' bearing, but some people swear by going to a bearing factor to get better quality and often cheaper prices. I've never done this, but I've always thought if I had ever needed to buy wheel bearings that I'd do it.

My understanding is that bearings have ratings depending on the tolerances used. Motorcycle bearings I guess are probably in the bottom third of bearing quality, because they don't need to have the same level of precision as one used in the Hubble space telescope for example. I'd have said that just a few steps in quality would make a massive difference, and because it's not going via a 'motorcycle' manufacturer, could potentially mean cheaper too. I don't have any direct evidence to back this up, only anecdote, but I think it's worth investigating.

You would have to obviously make sure the dimensions are identical and the load factor is the same, but if you actually talk to a person at a bearing factor and show them the bearing then I'm sure they can fit the requirements.
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Last edited by MarJay on 21:39 - 22 Feb 2016; edited 1 time in total
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smegballs
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PostPosted: 20:11 - 22 Feb 2016    Post subject: Reply with quote

I'd always go for either Japanese or Scandinavian-made ones.

They are only a few quid extra so why not go for a quality product.

FAG, SKF, NACHI, NTN etc etc

I bought some today, turns out I actually have a local bearing supplier Very Happy 7.50 each, where their equivalents from simplybearings cost 6 each plus P&P, so not much difference. I got NTN ones, the ones in there (which is suspect were factory OE ones due to only being shielded on one side) were NACHI.

Get the double-shielded "2RS" suffix ones.
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Pigeon
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PostPosted: 21:05 - 22 Feb 2016    Post subject: Reply with quote

MarJay wrote:

Kyoto are Japanese made, and about the best quality you'll get for a 'motorcycle' bearing


Topical auto-correct issue Smile

Might mean Koyo bearings.

I only buy Koyo because for the cost, the hassle of putting the things in, it's not worth saving a few quid to have to do the job again 20k miles later.
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Kickstart
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PostPosted: 21:17 - 22 Feb 2016    Post subject: Reply with quote

Hi

I tend to stick with the known brands (as given above). I do have some cheapies sitting in a box for emergency use, but they were cheap and I would expect to replace them pretty soon

All the best

Katy
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MarJay
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PostPosted: 21:38 - 22 Feb 2016    Post subject: Reply with quote

Pigeon wrote:


Might mean Koyo bearings.


Yeah that's what I meant. Embarassed
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almostthere
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PostPosted: 21:41 - 22 Feb 2016    Post subject: Reply with quote

I just use whatever they sell me at wemotos think they might be koyo though
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Commuter_Tim
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PostPosted: 22:00 - 22 Feb 2016    Post subject: Reply with quote

I bought some of the OEM ones off DSS just recently, they are as of yet unfitted but I'm going with the old "if it ain't broke" methodology.

Anybody know off-hand how many hours of swearing I should dedicate to removing wheel bearings from a 17 year old bike? Smile
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smegballs
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PostPosted: 22:13 - 22 Feb 2016    Post subject: Reply with quote

Commuter_Tim wrote:
I bought some of the OEM ones off DSS just recently, they are as of yet unfitted but I'm going with the old "if it ain't broke" methodology.

Anybody know off-hand how many hours of swearing I should dedicate to removing wheel bearings from a 17 year old bike? Smile


I did my 1997 GN today and it was a piece of piss. Few taps with a punch and they came right out.

I tried the rawlbolt to plug bearing method, but said rawlbolt was a shade to small to get a good grip on the inner race. Traditional method got them out fine.

The bearings I took out were only shielded on one side, so I assume they were the factory ones.
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Polarbear
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PostPosted: 22:20 - 22 Feb 2016    Post subject: Reply with quote

I use FAG or SKF and to be honest the prices aren't much different unless you buy from Honda or whoever and pay through the nose.

https://www.qualitybearingsonline.com/

Most bearings will be of the C3 standard (Some bearing manufacturers use CN). It's all to do with the machining tolerances and clearances. C2 is tighter than C3. Bike wheel bearings will be C3's and you won't get any advantage going for a C2 because of high axial loadings.
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Polarbear
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PostPosted: 22:31 - 22 Feb 2016    Post subject: Reply with quote

smegballs wrote:


The bearings I took out were only shielded on one side, so I assume they were the factory ones.


You can buy bearings from any manufacturer with double metal shields ZZ, double plastic shield 2RS, Single metal Z, single plastic RS but I've never seen a use for single side shielded bearings.

If you have a grease point you want open bearings so the grease will push through the bearing and clean it. If you haven't, a double shielded bearing is best.
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Commuter_Tim
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PostPosted: 22:39 - 22 Feb 2016    Post subject: Reply with quote

smegballs wrote:

I did my 1997 GN today and it was a piece of piss. Few taps with a punch and they came right out.


Cheers.
As reference, it took me about 30 minutes of sweat and FUCKINGCUNTBOLLOCKS! with an impact driver to get the rear disc off.

I saw a vid Stinky did removing wheel bearings some time back, but I'm obviously trying to gauge how long it will take somebody considerably less experienced (me).

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smegballs
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PostPosted: 23:12 - 22 Feb 2016    Post subject: Reply with quote

Polarbear wrote:
If you have a grease point you want open bearings so the grease will push through the bearing and clean it. If you haven't, a double shielded bearing is best.


Yeah I've always replaced with 2RS. Factory ones always seem to be single shield tho in the few (older admittedly) bikes I've done. Still 20k doesn't seem to be too bad for a part that cost 15 quid and half an hour of my time to replace.
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Tbag
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PostPosted: 23:18 - 22 Feb 2016    Post subject: Reply with quote

Never bothered about what make etc, ones that spin and have balls in work for me..
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serlant
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PostPosted: 01:14 - 23 Feb 2016    Post subject: Reply with quote

I always use wych bearings, who sells FAG and SKF bearings, and also sell the rubber seals, normally comes to 20 quid, and i'll pay the extra £4 quid or so for decent bearings and good seals.

https://www.wychbearings.co.uk/6204-zz_fag.html

The seals don't look compatible as they only do them in
https://www.wychbearings.co.uk/28x47x7-r23-nbr_oil_seal.html
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haroman666
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PostPosted: 01:28 - 23 Feb 2016    Post subject: Reply with quote

MarJay wrote:
Yeah that's what I meant. Embarassed


That would be my bad! Planting the seed in the OP Embarassed
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haroman666
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PostPosted: 02:02 - 23 Feb 2016    Post subject: Reply with quote

So I managed to find some Koyo's that also came with seals via https://www.hendersonbearings.co.uk/

I've started recording mileages of when I replace things (Tyres, chain/sprox, brake pads) just to see what lifetime i'm getting out of stuff. I'll add wheel bearings to the list and see how far I get!
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Andy_Pagin
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PostPosted: 08:10 - 23 Feb 2016    Post subject: Reply with quote

FWIW the original front wheel bearings on my Fazer went at 20,000 miles.
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smallfrowne
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PostPosted: 09:06 - 23 Feb 2016    Post subject: Reply with quote

SKF Explorers maaaan, the bee's knees.
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smallfrowne
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PostPosted: 10:09 - 24 Feb 2016    Post subject: Reply with quote

This thread reminded me I needed to do my cd250u's rear bearings. So I thought I'd give it a go with my right arm fractured and in a pot... It wasn't going well tbh, no luck with the bearing slide hammer thing, couldn't get it tight enough not to slip. Couldn't move the spacer to get at a lip of the bearing with a punch either.

Then i remembered I had a gas torch (been using it to make some of pretty nice pizza...). Bloody hell what a piece of piss it was with that. Cool
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RhynoCZ
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PostPosted: 11:19 - 24 Feb 2016    Post subject: Reply with quote

Might be a bit late, but I always go for Japan or Czech made bearings, both are top notch quality. The same goes for motorcycle chains. If I can't find a Czech bearing/chain, or a good deal, I just go for the Japanese stuff.

Czechs might be drunk meth addicts, but they do know their machinery. Laughing
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Polarbear
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PostPosted: 12:20 - 24 Feb 2016    Post subject: Reply with quote

929 Fireblade wrote:
.

Also I didn't know one needed seals (never had dealings with bearings) until I recently watched Dell boys vid on wheel bearings the ones I have do not seem to have the seals.

Can one reuse the seals or is this just Dell Boys OCD?



Yes if you can get them out without damaging them and they aren't worn on the lip.
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B5234FT
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PostPosted: 17:37 - 24 Feb 2016    Post subject: Reply with quote

It's the sort of job where I value even my own labour at FAR more than the saving in the bearings and therefore dont want to do it twice. After some failures years ago I'll now only fit FAG and SKF in my cars.
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smegballs
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PostPosted: 17:54 - 24 Feb 2016    Post subject: Reply with quote

I took the rear wheel of the GN out to check the bearings, they were fine, and made a note of the oil seal size (47x28x7mm for any GN owners out there). The seal costs 2 quid online, so for the paltry cost, I'll get a new one when it's time to do the rears.
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