[Spridgets] Roller Bearings

[Rick Fisk]

I agree David, the spacer adds a lot of strength to the assembly.  I still use roller bearings.  :-)

> On Oct 26, 2021, at 10:10 PM, David Doiron via Spridgets <spridgets at autox.team.net> wrote:
> 
> Well Folks, 
> I have been caught with my hair trigger showing.
> I fired a shot across the bow too soon! 
> I failed to notice that the Moss kit uses a spacer. 
> 
> That makes all the difference. 
> Moss sourced bearings are purpose fitted, and should be used with the spacer. 
> American cars didn't use spacers so mechanics who were familiar with that 
> arrangement would be tempted to leave them out. 
> 
> Back when I did it, the only source was a generic bearing supply, and 
> THOSE bearings were not compatible with the spacer. (which I luckily kept!)
> 
> And yes, I did the conversion when the MkII came out, so my stub axles were the 
> early version. Ergo the metallurgy was not as strong as the later stub axles. 
> BUT 
> Since used items are a common source of stub axles these days, you might 
> be looking at early versions. It would be safer to use the later part #s. 
> (If anybody wants those numbers ask me). 
> 
> I have never seen an aluminum spacer. All the factory spacers I've seen 
> were dimensionally stable cast iron.  
> 
> Regarding the statement that the threads would strip before the nut was 
> tight enough to add strength to the stub axle, I say show me the math. 
> Every stress diagram I can imagine indicates that the spacer adds strength.
> 
> W David Doiron...ex BMC mechanic
> ------------------------
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