DeTomaso Mailing List: July 2000, Message #121

Fred:
Any concerns with the front wheel spindles and bearings? Now that I have
mine off, any suggestions? Thanks. Cal. 

> ----------
> From: 	F. & D. Terry[SMTP:gt5s@erols.com]
> Reply To: 	F. & D. Terry
> Sent: 	Wednesday, July 05, 2000 7:42 AM
> To: 	Multiple recipients of list
> Subject: 	Re: Rear Bearings
> 
> Eric,
> 	Converting the uprights to tapered bearings is not a simple task.
> Without a lathe or mill you won't be able to do the work.
> 	The method the vendors use is to retain the inner bearing with an
> internal snap ring. There are at least three other methods I am familiar
> with that will produce more reliable results but it sounds as if you are
> attempting to use a snap ring.
> 	The bearings you should be using are a Timken #30308 for both the
> inner
> and outer. The outer seal is a Chicago Rawhide #27740 and the bearing
> retainer must be bored for it to fit. It uses the inner bearing race of
> the outer bearing for a seal surface. The internal snap ring used to
> retain the inner bearing is a Truarc #N5000-375. A groove must be
> machined in the housing at the proper depth to locate the bearing and
> provide a .003" pre load on the bearings. The inner seal is a Chicago
> Rawhide #24659. In order to install the inner bearing and seal, the
> inner end of the upright must be bored to 90mm.
> 	For an easier conversion, you should try the modification using the
> front wheel bearing from a Jetta. This modification is described in the
> spring issue of Pantera International and is an adequate solution.
> 	You mention that your axles are a little bit worn but that this is
> permissible for tapered bearings. There should be no wear or spalding of
> the axles and it is my understanding that the vendors require
> serviceable axles for their conversion. Good luck with your project.
> 	Fred T.
> 
> Eric Smith wrote:
> > 
> > Hello,
> > 
> > I am trying to redo my rear bearings on my 71 and
> > bought the 30010 bearing ( I think thats the right #)
> > But I had one of my uprights machined for the bearing
> > and it seems that the front bearing is too big and
> > hits the front of the axle.  If I machine the rest of
> > the backing out that seats the front bearing, then it
> > will of course will fail and fall into the middle of
> > the upright. I understand their is a ring of some type
> > that a groove is machined into the upright but I
> > believe that is for the back bearing.  What is
> > supposed to happen with the front bearing?  Does
> > anyone have any information on this setup? Or do you
> > know anyone who could help me.  I really appreciate
> > anything you could do, Thanks
> > 
> > Eric
> > 
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