Author Topic: Fit of clutch basket bearing  (Read 490 times)

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Offline iamdouglas1

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Fit of clutch basket bearing
« on: May 10, 2016, 05:18:23 AM »
Hi All,

Offline iamdouglas1

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Re: Fit of clutch basket bearing
« Reply #1 on: May 10, 2016, 05:34:22 AM »
ooops. that didn't work like I wanted.

Like I was saying:

Hi All,

I have a question about the large bearing that sits in the tranny access door on my '69 xlch that I'm working on.

Do the large snap rings hold that bearing from spinning or is the fit in the trap door what keeps the bearing from spinning? I hesitate to put a drop of blue locktite on it.

I read the manual as saying that the fit should be ".0001 in. -.0012. that seems to me to be fairly tight. mine is looser than that. I can push it in with my fingers.

Am I overthinking this?   WHAT, ME OVERTHINK SOMETHING?   :smilep:

 

Offline Burnout

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Re: Fit of clutch basket bearing
« Reply #2 on: May 10, 2016, 08:57:29 AM »
Over thinking, that bearing is rarely tight in the bore. Also keep in mind that the clutch release shoves that bearing to one side or the other depending on the year. Given that the bearing needs to be shoved all the way in that direction when setting trans end play, otherwise trans thrust washers may see clutch release loads and turn blue. On the early and very late trans endplay will open up if bearing moves.
They don't call me Ironhead Rick just because I'm "hard headed"

Offline iamdouglas1

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Re: Fit of clutch basket bearing
« Reply #3 on: May 10, 2016, 10:21:30 AM »
What you are saying makes sense about the clutch basket loading the bearing. it just makes me nervous to have the bearing walking and creeping around that bore.

If what I'm concerned about was something to worry about there would be access door bores being wallered out (technical talk). I can't say I've heard of that happening so. . .there I go again. . . overthinking.

Thanks for your input Burner.

Offline Burnout

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Re: Fit of clutch basket bearing
« Reply #4 on: May 22, 2016, 08:48:55 AM »
The bearing can't walk, it runs up against the snap ring and is held there by clutch release pressure.

The trans gears are all straight cut and there are no thrust loads other than the clutch release.
« Last Edit: May 22, 2016, 08:52:34 AM by Burnout »
They don't call me Ironhead Rick just because I'm "hard headed"

Offline garyajaz

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Re: Fit of clutch basket bearing
« Reply #5 on: May 23, 2016, 09:38:21 AM »
my bearing was also slip fit years ago.
did not like it.
went to major bearing supply house with bearing and door.
(was thinking of replacing door.)
measured everything up. seems some bearings are different tolerances.
aircraft ones being best.
found bearing with o.d. a tho or two larger o.d. installed it press fit.
been in last 20 years or so.
want the shaft to spin in bearing, not bearing to spin in door.

Offline Racepres

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Re: Fit of clutch basket bearing
« Reply #6 on: May 25, 2016, 06:06:57 AM »
Red or Green Loctite...