[DeTomaso] Axle measurements (Re: Axles and rotors and bearings. . . oh my)

[Asa Jay Laughton]

I whipped out my handy micrometer set last night, screwed in the 1-2" 
bar, calibrated it and off I went to measure my axles.

I believe these are original style (if not actual original) axles.  They 
are hollow.  They have a raised portion near the flange end and the stub 
end that the bearing rides on.  The center part is slightly depressed, 
or machined smaller.

I took my measurements at four location on each rise (i.e. each end of 
the axle), at 90 degrees to each other and stepped up the shaft.  Here 
are my averaged findings:

Drivers side:
1.5750 - Flange end (where the studs go)
1.5747 - Stub end (where the axle nut goes)

Passenger side:
1.5749 - Flange end
1.5748 - Stub end

There are no discernible grooves, or other marks.  Each axle is very 
smooth and there are no areas a fingernail can catch.  I think I'm good 
for re-using these.

No, I was not using a 5-digit micrometer.

Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired

& Shelley Marie
Spokane, WA

1973 Pantera L 5533
[ASASCAT]
    
******************************     
http://www.asajay.com
http://www.351c.info
  



JDeRyke at aol.com wrote:
> In a message dated 7/25/08 9:07:22 AM, asajay at asajay.com writes:
>
>   
>> What are my bearing options if I don't want to machine the upright?
>>
>>     
> Bearings come in a huge variety of styles. Use ball bearings with real seals, 
> not dust shields. Check the wear marks on your axles first though 'cause a 
> variation of 0.001" down from the spec of 1.5748" will cause the axle to wobble 
> with brand new bearings. And that 4th decimal IS critical, taking a 
> 5-significant-number micrometer to determine. 
> Be sure to buy the axle nut spanner-socket that completely encloses the axle 
> nut. The ones with prongs on their ends rather than in the insides, will slip 
> at 400+ ft-lbs of torque. And a long chunk of steel with two holes drilled in 
> one end for two wheel studs will hold the assembly (someone can simply stand 
> on it) while you torque the nut. Good luck- J DeRyke
>
>
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