iiyama
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| posted on 2/3/07 at 04:37 PM |
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Wheel bearing 'shims'
Need to reduce the size of the hub carrier for smaller bearings. Easily enough done, but what material to use? HE30 ali gonna be hard enough? Does it
need to be a particularly hard material?
Or should the reducers be turned from steel?
If its broke, fix it. If it aint broke, take it apart and find out how it works!
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daviep
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| posted on 2/3/07 at 04:53 PM |
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What you are suggesting will be quite a tricky job.
To do this properly your reducers should be pressed on to the stub shaft before being machined and finally ground down to the correct bearing size.
The reducers would have to be steel. If you were really good you might manage to turn the bearing lands.
Can you not get bearings to fit correct OD/ID
Just my thoughts on how I would do it.
Regards
Davie
OK just re-read, are you making spacers to use narrower bearings if so just ignore everything else. I would still use steel.
Sorry for being a muppet
[Edited on 2/3/07 by daviep]
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iiyama
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| posted on 2/3/07 at 05:13 PM |
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I have Sierra bearing carriers for disc brakes. I have shafts for drum brakes. Bearing sizes are a lot dfferent. Have tried to get bearings that will
do the job, but they arnt available... Cant get the oil seals though 
So I need to fit drum brake bearings into disc brake carriers.
Yup.. I know that i can get plates to bolt on and carry the callipers, but I like to make my life difficult!!!!
If its broke, fix it. If it aint broke, take it apart and find out how it works!
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James
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| posted on 2/3/07 at 05:25 PM |
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What about custom drive shafts? So you can have one type at each end of the shaft.
About £70 a shaft IIRC.
Cheers,
James
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"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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iiyama
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| posted on 2/3/07 at 05:29 PM |
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Already got the shafts. Reconed units for £45!
If its broke, fix it. If it aint broke, take it apart and find out how it works!
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daviep
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| posted on 2/3/07 at 09:07 PM |
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What is the OD, ID, Width and type of the bearings you would need and I'll have a search tomorrow as I've got time on my hands just
now.
Regards Davie
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iiyama
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| posted on 2/3/07 at 09:15 PM |
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working from memory here at the mo!
OD =68mm
ID = 35mm
Standard taper bearing
Ill get more exact dims tomorrow, although having said that I dont own a vernier!
If its broke, fix it. If it aint broke, take it apart and find out how it works!
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andyps
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| posted on 2/3/07 at 09:19 PM |
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Are they metric or imperial bearings? It amkes a difference as one has positive tolerances and one negative, so if the original shaft had one and the
housing the other you may have problems getting an appropriate bearing.
Andy
An expert is someone who knows more and more about less and less
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iiyama
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| posted on 2/3/07 at 10:57 PM |
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both standard Sierra bearings, just they arnt compatible with each other. No idea on metric or imperial, but Id hazard a guess at metric
If its broke, fix it. If it aint broke, take it apart and find out how it works!
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daviep
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| posted on 3/3/07 at 08:35 AM |
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Have a look
HERE this looks very close to what your looking for.
I would nip down to your nearest bearing specialist with the hub and the drive shaft and get them to have a look. They are usually very helpful and
will measure both parts and tell you if you can get a bearing to fit.
Regards Davie
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iiyama
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| posted on 3/3/07 at 11:36 AM |
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Thanks for the linky.
Have a bearing specialist very close ot me and have already been in there. They could get something close, but I would still have had to shim it. On
top of that, the bearings were around £25 each and there are of course four of them.
Got a full set of bearings for the rear for £35, so now just need to get some spacers turned.
If its broke, fix it. If it aint broke, take it apart and find out how it works!
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andyps
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| posted on 3/3/07 at 01:55 PM |
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quote:
Originally posted by daviep
Have a look
HERE this looks very close to what your looking for.
I would nip down to your nearest bearing specialist with the hub and the drive shaft and get them to have a look. They are usually very helpful and
will measure both parts and tell you if you can get a bearing to fit.
Regards Davie
The bearing in that link is an imperial size - do you have the part numbers for the two original ones? Most Sierra bearings are metric sizes IIRC.
[Edited on 3/3/07 by andyps]
Andy
An expert is someone who knows more and more about less and less
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iiyama
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| posted on 3/3/07 at 02:02 PM |
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bigger bearing is BT1B32B053-Q and is an SKF part.
Smaller bearing is KL68111 and is a Daewoo part.
If its broke, fix it. If it aint broke, take it apart and find out how it works!
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andyps
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| posted on 3/3/07 at 02:05 PM |
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Don't recognise the SKF part number, but the other one is a very common wheel bearing size and is metric.
Andy
An expert is someone who knows more and more about less and less
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iiyama
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| posted on 3/3/07 at 02:16 PM |
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Only other markings are W14 M and Germany!
Im pretty sure they are both metric though
If its broke, fix it. If it aint broke, take it apart and find out how it works!
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