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Re: [Healeys] Front wheel bearing 'distance piece'

To: Bob Spidell <bspidell@comcast.net>
Subject: Re: [Healeys] Front wheel bearing 'distance piece'
From: Oudesluys <coudesluijs@chello.nl>
Date: Wed, 08 Apr 2009 08:27:59 +0200
Sorry folks,
I made a slip up, the castelated nut /*cannot*/ be torqued to 70 ft lbs 
/*without*/ spacers, unless you want to do some welding of the bearings. 
This should have been 70ft lbs with spacers and should not be or only 
slightly increased.
Kees Oudesluijs
NL

Oudesluys schreef:
> Without spacer the end play in tapered bearings can be adjusted very 
> easily and accurately, no spacer needed. However for added strenght of 
> the hub/axel stump a spacer with shims may be fitted, but adjusting 
> the end float is rather more involved and difficult as you will need a 
> variety of shims. The torque load of the castelated nut needs to be 
> established as this will be rather more than the 70ft.lbs specified  
> without spacer.
> Kees Oudesluijs
> NL
>
> Bob Spidell schreef:
>> My father has surmised--or read somewhere--that the distance piece's 
>> function is to 'lock' the inner and outer bearing to each other and 
>> to the stub axle to prevent them from turning on the axle. He said 
>> Henry Ford took the opposite approach; i.e. leave the bearings free 
>> to turn some on the axle so the races don't wear in one spot.
>> I suspect Norman Nock would know the 'official' purpose of the spacer.
>>
>> Bob
>>
>>
>> This ought to start something with the engineers out there: With my 
>> limited experience after studying my hubs during the rebuild I 
>> believe the distance pieces are used just to get the proper end float 
>> of the hubs. The distance pieces along with the shims ride on the 
>> bearings from the inboard side allowing a very accurate end float 
>> measurement (distance) to be obtained. I do not think they are 
>> primarily associated with strength. If the pieces are not present you 
>> cannot set the end float therefore possibly placing too much lateral 
>> force on the bearings when tightening the castle nut to the specified 
>> torque setting of 70 ft lbs.
>> Just my opinion,
>> George Haywood '65 bj8 _______________________________________________
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