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[henryd]

and if the bearing was pressed in then it should have something to stop it coming out again in use. 
On the FWD Cavalier they have a big single bearing that you have to press in and that is held in by two ruddy great circlips.

Think i'm with you on this one chris but i stand to be corrected

Andy

yet a focus front bearing is pressed into a shoulder but no other means to secure it

No! It isn't. It will be part of the hub.

Seriously though...I'm not about to tell you anything I havent seen for meself.
So I'll take your word for it, but with a pinch of salt if i may until experience proves the point. These rumours seem to start with assumptions. Like the Carlton bush myth, like the immovable subframe myth, like all front pads are the same myth, like ... A couple of others I cant remember but could two minutes ago

But let's see what the oe ortopsy brings tomorrow. I might prove AndyP right yet.

Re the focus,couldn't believe it myself until I changed one recently,most of the block bearings do indeed have circlips either side of the bearing

[Jimbob]

http://173.201.23.239/vauxhall.php?partnumber=90510542&manufacturerinfo=true

Lol, I will have to login to channel21, the description I had was 'Front; Saloon; Wheel Bearing Kit; Ø 74mm'

I reported that fault to VX about a year ago

[Marks DTM Calib]

Very shocked, no wonder they fail.

The one I had off TB's was certainly a seperate insert, I wonder if they changed them at the facelift model (the facelift ones certainly dont appear as robust as the older models).

I shall have to get one and do a few tests on it.

[feeutfo]

Is there a different part number for model years...?

Structural chassis stuff the same across the range I thought...?





Anyway... WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!WRONG!   

[feeutfo]

But more seriously, I'll measure the two centre race total length and compare with same on the oe baring. Expect to see the conti to be fractionally longer. I guess.

[feeutfo]

And to add, this particular baring was failed from new. Even with major over tightening we could never get all the play out.

[Andy B]

..... Expect to see the conti to be fractionally longer. I guess.

Or the two seats that you tried to remove    are that bit closer together. 

[feeutfo]

..... Expect to see the conti to be fractionally longer. I guess.

Or the two seats that you tried to remove    are that bit closer together. 

oh the two races you said where removable, in the face of overwhelming evidence to the contrary, but are part of the hub as I said all along.

Yes it could be a machining issue. Not sure how to measure that though.

[Andy B]

...oh the two races you said where removable, in the face of overwhelming evidence to the contrary, but are part of the hub as I said all along.

Yes those two races ....  It certainly looked like that from where we were all standing. It must've been your photos ......... 

Yes it could be a machining issue. Not sure how to measure that though.

Me neither  You'd need a ball bearing perhaps in each side & measure ball to ball (ooer  ) & then take off the dia of both ball bearings from your measurement. 

[Marks DTM Calib]

And to add, this particular baring was failed from new. Even with major over tightening we could never get all the play out.

The bearing play is set by the two centre races, to reduce play you could surface grind the inner face of the races.

Tightening will only do so much as once these faces are hard against each other then thats it (hence why overtightening wont hurt the bearings in this case but may risk the stub).

At Newent last year I sanded one of the faces on a bearing (on a flat surface with wet and dry) of a members car and it did help but would ahev taken a lot of work to get it right.

[Andy B]

....
The bearing play is set by the two centre races,  ......

and the ability of the machinist/CNC lathe to get the outer races the correct distance apart. 

[Kevin Wood]

....
The bearing play is set by the two centre races,  ......

and the ability of the machinist/CNC lathe to get the outer inner races the correct distance apart. 

Fixed that for you.

[Andy B]

.....
Fixed that for you.

 

[feeutfo]

Ok, oe bearing disected.

Same! Can't see any difference in measurements either.

[henryd]

Ok, oe bearing disected.

Same! Can't see any difference in measurements either.

Kin ell,sorry for doubting you Chris  but thats a really odd (and shite!)setup