Front wheel bearing and puller

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rogerb
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Postby rogerb » Fri Aug 01, 2014 5:46 pm

Hi Mike

You're right, 62 is OD, 30 is ID and 22 is width. It is definitely 22, not 21.25. The only marking on it is 'SH' (with the centre of the circle as ground).
Last edited by rogerb on Fri Aug 01, 2014 7:29 pm, edited 1 time in total.

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24c
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Postby 24c » Fri Aug 01, 2014 7:14 pm

Roger,

What was the problem with the front end?
Can make a shim to take it unto 22mm :)

I still need to identify the bearing, have you got it out? Does it tap apart, I reckon you know what a taper roller looks like :)

Any pictures? Email load to image gallery etc!

Mike
PS I must look for a cutaway
I've just started riding the GTS again, and it'll be changing

rogerb
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Postby rogerb » Fri Aug 01, 2014 7:30 pm

Hi Mike

I t doesn't tap apart and it doesn't look like a taper roller. I'll try to upload some pictures.

Thanks.

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Postby 24c » Fri Aug 01, 2014 7:39 pm

Roger,
It doesn't tap apart, I used to know what I was talking about, and here's an older reply in this post...

"Bearings are Koyo 7206B/18 angular contact bearings
30 mm ID, 62 mm OD, and the kicker they are 22 mm wide. Actual
measurements give 30 mm ID, 61.98 mm OD, 21.97 mm Wide
Seems 16 mm wide is the normal sizing."


http://w.gtsclub.org/forum/viewtopic.ph ... 3696d24462

The amusing thing is, you can't get the original, they are angular contact ball bearings, and the KOYO 7206B is 16mm wide, but this can be shimmed and a new tube spacer made for the middle. At least I've got something to research now.

Mike

PS I've found an single angular contact bearing at 20mm, and a double version at 23.8mm, but really need to know what it is in the upright first.
I've just started riding the GTS again, and it'll be changing

rogerb
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Postby rogerb » Fri Aug 01, 2014 8:29 pm

Well. I've tried uploading some photos, without success. Do you have to put them on a third-party site and link now? I've tried uploading them to Servimg.com (which I've managed to do before) but no luck. I'll try again tomorrow.

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Postby 24c » Fri Aug 01, 2014 8:40 pm

Roger email them to me, and I'll put them in the Image Gallery.
I've just started riding the GTS again, and it'll be changing

rogerb
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Postby rogerb » Fri Aug 01, 2014 9:36 pm

What I find strange is that to paint or bead-blast the upright you would have to remove and replace the bearings, so why isn't this a fairly common problem? The manual says you must renew the bearing if it is removed, so you would think that replacement bearings wouldn't be too rare.

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Postby 24c » Sat Aug 02, 2014 12:00 am

I've got a sneaky feeling there is a spacer that gets crushed in the assembly, possibly preloading things, but the part is listed at €450,00... a snip!

There was a HS bearing company, that made special automotive bearings, so I'm wondering if it is the same as yours, but I think SH is more promising as this is a range of bearings made by KOYO industries, and this stands for heat treated. They were a long life bearing, but the SH only refers to the part that is marked.

It's hard to tell from your pictures too...I think I counted 13 , but the outer race is wider one side than the other, and so is the inner race, which suggests a wheel type taper roller bearing...the plot thickens.

If I was in your situation, I'd be looking at two taper roller bearings, sandwiched between a spacer, but there must be a step in either side of the alloy upright to stop the bearing moving. Isn't there a circlip too at the ABS sensor end, that'd make sense to stop movement too. Then front axle hub is tightened through the middle...job done.
I've just started riding the GTS again, and it'll be changing

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Postby crusoe » Sat Aug 02, 2014 8:09 am

Have a look at this on French ebay.

http://www.ebay.fr/itm/YAMAHA-GTS-1000- ... 233bcb289e

Can't believe it's only 26 Euros, must be a catch somewhere.

The same guy has loads of other GTS stuff really cheap.


Cheers

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Postby 24c » Sat Aug 02, 2014 8:29 am

Good find Crusoe, that's exactly what Roger needs, and it is sub €30 with €29,90 postage to the UK.

Roger, probably your best option, especially as it saves money, and long term you can sort out a bearing solution.
I've just started riding the GTS again, and it'll be changing

rogerb
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Postby rogerb » Sat Aug 02, 2014 11:17 am

Sorry, only just looked at this, and the vente est terminee. What was it? I see he still has the whole front assembly for 189 euros.

crusoe
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Postby crusoe » Sat Aug 02, 2014 11:41 am

Unfortunately it means someone has just bought it, I saw it a couple of days ago, but didn't think about your problem - sorry.

The full front end at 189.99 euros is from a different vendor, but unfortunately he has only specified postage in France.

You can always ask him if he will send it to UK. Use Bing translator, or I can help out if required.

Cheers

rogerb
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Postby rogerb » Sat Aug 02, 2014 5:03 pm

Thanks Crusoe. I'm not sure what a 'support de jantes' is. What was the item? I thought about buying the whole front end but I think I'll have to make a list of things that are going to cost and weigh everything up.

But I can't really just pack it in now. I still want to get it finished.

crusoe
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Postby crusoe » Sun Aug 03, 2014 7:18 pm

Hi Roger,

The item was the front swinging arm with hub (including bearing).

If you open the link and scroll down on it you will see the item.

Looks like it was sold during the time we were discussing it.

I was going to buy it "just in case", however, with 8 bikes in the garage and always buying spares for them just in case, means that my garage is choka bloc, I've even started selling stuff on ebay as a lot of the bikes are collectors items and will hardly ever be ridden by me, hence no need for the spares.

Support de jantes literally translated means "support of wheel". Jante normally relates to an aluminium automotive wheel, "roue" means wheel literally.

Even at 189 euros the complete front end is a steal, look on German ebay and see what prices GTS items are being sold for.

Cheers

rogerb
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Postby rogerb » Mon Aug 04, 2014 11:43 am

Thanks Crusoe, I see it now.

I'll ask them how much it would cost to send the s/a assembly to Blighty.


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