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Date:         Wed, 29 Jun 2016 18:55:03 -0700
Reply-To:     Alistair Bell <albell@SHAW.CA>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Alistair Bell <albell@SHAW.CA>
Subject:      Re: Play in rear wheel bearings
Comments: To: Scott - IMAP <scottdaniel@turbovans.com>
In-Reply-To:  <792a7599-e702-69a4-f759-c347a927ebc5@turbovans.com>
Content-Type: text/plain; charset=us-ascii

Scott is right but missed one thing. The spacer does indeed simply transfer the force generated by the big axle nut from the outer bearing inner race to the inner bearing inner race. However, the length of the splined section of the stub axle is such that if the spacer is too short then the hub bottoms out on the end of the splined section of the stub axle before everything else is brought up tight.

Frank states an absolute measurement for the spacer. My beef is the emphasis on that absolute value. By his measure a 0.01 mm variance in length is reason to replace the spacer.

Alistair

> On Jun 29, 2016, at 2:57 PM, Scott - IMAP <scottdaniel@turbovans.com> wrote: > > Re Frank's comment about the spacer and play. > I could be wrong .. > but I don't think his statement is correct. > > this is how they seem to work to me .... > the rear bearings and spacer... > The design of the outer bearing with flat rollers allows some leeway end-wise ... > Tightening the hell out of the big nut only compresses the spacer thing so things don't come apart. > there is allowance in the outer bearing for a few thou this way or that way. > ( I think the inner bearing is a captured ball bearing ..so 'fixed' location wise . ) > > If the poster has in-out play that does not sound right. > if there is a tiny bit of up-down play ...a Tiny bit could be OK. > > I find these bearings to be a bit tricky to get pressed into the bearing housing exactly right. > Havn't done one for a few years, but I've done many, always successfully. > > if anyone things my perceptions about spacer and play etc are bogus .. > fire away ! > I just know what works for me, let's say. Done tons of 'em. > Scott > >> On 6/29/2016 6:32 AM, Alistair Bell wrote: >> Exactly? >> >> 42.8 mm is hardly an exact measurement. Even if shouted :-) >> >> Alistair >> >> >> >> >> >> >> >> >>>> On Jun 29, 2016, at 2:22 AM, Frank Condelli <RAlanen@AOL.COM> wrote: >>>> >>>> Did you check the length of the spacer ? If it is not EXACTLY the correct length you will have some play. See here: <https://www.frankcondelli.com/staging1/store/index.php?route=product/product&path=61_67&product_id=571> >>>> >>>> On Jun 28, 2016, at 3:46 PM, Automatic digest processor <LISTSERV@GERRY.VANAGON.COM> wrote: >>>> >>>> Howdy Volks! I haven't been posting anything for a while, but have been

>>>> lurking. Here's my issue, 82 diesel westy. I just replaced the rear wheel >>>> bearings with German parts and torqued properly. There seems to be just a >>>> slight wiggle in the wheel, is that normal or is there a slight difference >>>> in diameter on the outer bearing side of the stub shafts. I inspected the >>>> stub shafts and only see machine tool marks and don't see any wear that

>>>> indicates that the inner races spun on the stub shafts? Thanks! >>> Cheers, >>> >>> Frank Condelli >>> Almonte, Ontario, Canada >>> '87 VW Westy, '00 Kawasaki 250 Sherpa, "98 Ducati 750 Monster & Lionel Trains (Collection for sale <http://frankcondelli.com/trainsal.htm>) >>> Frank Condelli & Associates <http://www.frankcondelli.com/> - Vanagon/Vanagon Westfalia Service in the Ottawa Valley >>> BusFusion <http://www.busfusion.com/> a VW Camper camping event, Almonte, ON, June 02 ~ 05, 2016 >


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