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 Post subject: Tapered bearings
PostPosted: Wed Oct 26, 2016 3:31 pm 
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848cc
848cc

Joined: Wed Nov 18, 2015 1:59 pm
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Location: Port Macquarie NSW
I'm replacing my front bearings and have the hub out and I thought I'm suppose to have tapered bearing as its a Cooper S, can someone shed some light on this for me as I'm confused now I was about to order new bearing but not sure what to get now.
Also is that ring broken or is it supposed to like that ?


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 Post subject: Re: Tapered bearings
PostPosted: Wed Oct 26, 2016 3:43 pm 
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1275cc
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Location: Wollongong, NSW
The ball bearing and tapered roller bearings are the same size so they can be interchanged. The ball bearing ones are much cheaper though, so might have been substituted in the past.

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 Post subject: Re: Tapered bearings
PostPosted: Wed Oct 26, 2016 5:12 pm 
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998cc
998cc

Joined: Sun Sep 04, 2011 10:46 pm
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Location: S.A
The Photos show that the retaining ring for the outer race has come adrift, and the bearing is now on the CV joint. The ring is of a split design, but is supposed to ride in a groove that prevents it from slipping out under normal circumstances.

The fact that you were able to pull the outer race out by hand leads me to think your hubs may be stuffed. If the bearing race spins in the hub then you're in trouble as the fit on these parts is very close.

Before going any further with that hub I would have them looked at by someone in the game.


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 Post subject: Re: Tapered bearings
PostPosted: Wed Oct 26, 2016 5:26 pm 
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Location: near Baulkham Hills, NSW
The split ring is the seal spacer, it's got pulled out because the ball bearing is stuck on the CV. It doesn't sit in a groove, it goes between the inboard bearing and seal. Roller bearings have a spacer about 0.200" wide. Ball bearing seal spacer is about .090" wide.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject: Re: Tapered bearings
PostPosted: Thu Oct 27, 2016 8:44 am 
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848cc
848cc

Joined: Wed Nov 18, 2015 1:59 pm
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Location: Port Macquarie NSW
So 69k1100 your saying the inner bearing is too close to the cv and has slipped out of the hub and has slipped up the drive shaft


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 Post subject: Re: Tapered bearings
PostPosted: Thu Oct 27, 2016 10:23 am 
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Location: near Baulkham Hills, NSW
There is no retaining ring for the inner bearing. It goes hard against the CV. Find a drawing...!

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject: Re: Tapered bearings
PostPosted: Thu Oct 27, 2016 10:56 am 
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1360cc
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Does this help?

Attachment:
PUB1012 KA07-1 L.jpg
Attachment:
PUB1012 KA07-1 R.jpg
Attachment:
PUB1012 KA08 R.jpg


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 Post subject: Re: Tapered bearings
PostPosted: Thu Oct 27, 2016 11:04 am 
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848cc
848cc

Joined: Fri Jun 03, 2016 6:04 pm
Posts: 68
Or this?


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 Post subject: Re: Tapered bearings
PostPosted: Thu Oct 27, 2016 11:16 am 
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1360cc
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Stev0 wrote:
Or this?

He has a Cooper S so I think it's the diagram on page K3 he needs. :wink:

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 Post subject: Re: Tapered bearings
PostPosted: Thu Oct 27, 2016 7:39 pm 
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848cc
848cc

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OK I was close though.


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 Post subject: Re: Tapered bearings
PostPosted: Sun Oct 30, 2016 6:55 am 
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848cc
848cc

Joined: Wed Nov 18, 2015 1:59 pm
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Location: Port Macquarie NSW
I took it to mechanic and even he wasn't sure as there is no grove in the hub for it to sit in, but I'm sure he will sort it.... Thanks for all your help


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 Post subject: Re: Tapered bearings
PostPosted: Sun Oct 30, 2016 7:03 am 
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Location: near Baulkham Hills, NSW
All the split seal spacer does is stop the seal going in too far and hitting the bearing. Half the minis around have none, you just don't knock the seal right in. ;)

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject: Re: Tapered bearings
PostPosted: Sun Oct 30, 2016 3:28 pm 
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848cc
848cc

Joined: Wed Nov 18, 2015 1:59 pm
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Location: Port Macquarie NSW
Ok thanks Doc will let the mechanic know


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