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Home > Technical Chat > Roller bearing sidecovers

miniminor63

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1838 Posts
Member #: 672
The oversills police

Oslo, Norway

Hi

I have just taken delivery of something like attached.

It has got roller bearings inside, which eliminates oil leaks through the seals due to wobbling. I believe this will remove the risk of oil leaks (which I currently have, even with new bushes and seals on the racecar.

But how will this be frictionwise? and will it cause any issues having the output shaft rolling in bearings that have almost the same strength as the differential bearings themselves?

I think it is an interesting modification personally, but am interested in you technical views :)


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Joe C

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11947 Posts
Member #: 565
Carlos Fandango

Burnham-on-Crouch, Essex

I saw those for sale, they are from that chap that rallys the mental Kad 16ver, if they have been used in that and still look good then the must be good IMO.

I'm also sure I saw similar for sale in either billet or a modded casting, but cant remember where from,

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

http://s95.photobucket.com/albums/l154/min...2006/?start=all



miniminor63

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1838 Posts
Member #: 672
The oversills police

Oslo, Norway

They where sold by him, but used by his friend for a while before he opted for fine spline different stuff, so sold this. They are still in very nice condition

Kad had some needle bearing newly cast ones they made

Edited by miniminor63 on 8th Sep, 2017.


Joe C

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11947 Posts
Member #: 565
Carlos Fandango

Burnham-on-Crouch, Essex

Ah Kad, i did look on their site.



On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

http://s95.photobucket.com/albums/l154/min...2006/?start=all



JT

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2543 Posts
Member #: 637
Post Whore

Hertfordshire

Looked on KAD site but can't find them.
I'd be interested in trying a set of these as I suffer from oil leaks as well!

My build thread..

http://www.turbominis.co.uk/forums/index.php?p=vt&tid=542985


TurboDave16V
Forum Mod

10669 Posts
Member #: 17
***16***

SouthPark, Colorado

If you have continued oil leaks, you likely need to rebush the side plates. I think this mod is interesting, but the devil is in the detail. Fundamentally, it'll work as there is inherent looseness between the output flange /pot and the diff output shaft spline, and a small amount of clearance between the diff cage / crown wheel bushing and the diff output shafts.
My only concern is that there is a light interference for between the OD of the bearing onto the new side plate, and a similar fit on the ID of the bearing. If the ID has a transition fit, it'll likely leak initially, and/or fret and Brinnel itself later...
I'm assuming it eliminates the c clip on the output shaft and uses an external snap ring to to hold the output flange / pot from walking off the bearing?

Great idea though *smiley*

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


Who remembers this first time around: https://www.youtube.com/watch?v=JF0a5aoEGsw


miniminor63

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1838 Posts
Member #: 672
The oversills police

Oslo, Norway

Thanks Dave, I will post some pictures once I have taken them apart to give them a clean.

One thing regarding the std bushes, at least on the racecar (appendix K racer) they do seem to wear relatively quickly, suggesting there is quite a bit of metal to metal contact between the bush and the output...

If that is the case also on other cars this roller bearing mod should help giving less friction at least. That is on the cars thay can use them

Edited by miniminor63 on 13th Sep, 2017.

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