9 inch big bearing size - 460 Ford Forum
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post #1 of 15 (permalink) Old 05-28-2011, 05:32 PM Thread Starter
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9 inch big bearing size

I have the new torino style big bearings in my 9 inch rear, what width is the bearing suppose to be? I'm thinking I may have gotten the wrong ones...

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post #2 of 15 (permalink) Old 05-28-2011, 06:26 PM
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axle bearings not seating all the way into housing end ?
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post #3 of 15 (permalink) Old 05-28-2011, 07:56 PM
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Quote:
Originally Posted by Skidmark View Post
I have the new torino style big bearings in my 9 inch rear, what width is the bearing suppose to be? I'm thinking I may have gotten the wrong ones...
Don't know which axles you have so,
A. 1.521" ID, 3.149" OD, Interchange 88128RA
B. 1.531" ID, 3.149" OD, Interchange 88128RB-R
C. 1.563" ID, 3.149" OD, Interchange A20, BR20
Should be one of these.

1972 torino 460 c-6
1988 turbo coupe, 1978 f150 460/c6
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post #4 of 15 (permalink) Old 05-28-2011, 08:31 PM Thread Starter
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Quote:
Originally Posted by maverick532 View Post
axle bearings not seating all the way into housing end ?
Maverick532...yes! exactly...looks like I have almost 1/8" sticking out.

Sorry guys, I should have been more specific as to what bearing I was talking about, which is the axle bearings.

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post #5 of 15 (permalink) Old 05-28-2011, 08:42 PM Thread Starter
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I just looked at the new bearing and see that it has 88128 stamped on it but I dont see RA..RB or anything. I also just measured the width of the bearing and got .825". I also tried to get a rough measurement of where the bearing seats in the houseing end and came up with a measurement less than that...
These are 31 spline axles off of a mid 80's 1/2 ton I do believe...dont know if this helps or not???

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Last edited by Skidmark; 05-29-2011 at 09:10 AM.
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post #6 of 15 (permalink) Old 05-28-2011, 09:23 PM
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is the measurement taken with the backingplate installed? what brake set up are you using?
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post #7 of 15 (permalink) Old 05-29-2011, 09:12 AM Thread Starter
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Quote:
Originally Posted by maverick532 View Post
is the measurement taken with the backingplate installed? what brake set up are you using?
Mav, no I just tried to measure the recessed area where the bearing sits in the houseing end. I dont have the rear brakes yet, but will be going with a disc brake set up. This is for my 64 Fairlane pro street build as seen in the car build up section.

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post #8 of 15 (permalink) Old 05-29-2011, 09:51 AM
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so basicaly youv'e just set bearing in housing end cking fit out ? the brake system you use should take up the afforementioned 1/8 " imo .
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post #9 of 15 (permalink) Old 05-29-2011, 12:50 PM Thread Starter
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so basicaly youv'e just set bearing in housing end cking fit out ? the brake system you use should take up the afforementioned 1/8 " imo .
The bearings are already pressed on the axles, I slide the axle w/bearing attached all the way in the housing end and then slide the retainer plate to the housing end and saw about a 1/8" gap.

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Last edited by Skidmark; 05-29-2011 at 03:48 PM.
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post #10 of 15 (permalink) Old 05-29-2011, 01:17 PM
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seals

Are u using the lip seal that fits inside the housing or do the axles have the 0 ring on the outside of the bearing or are they sealed bearings??? Bill
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post #11 of 15 (permalink) Old 05-29-2011, 03:47 PM Thread Starter
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Bill....I have an axle seal that goes in the housing, and the bearings are sealed bearings.

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post #12 of 15 (permalink) Old 05-29-2011, 09:32 PM Thread Starter
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A couple pics...

See what I'm talking about? As I stated before my bearing measures about
.825", and I get a rough measurement of about .682-.686" where the bearing should sit in the housing end.
Attached Images
File Type: jpg rearend 015.jpg (89.0 KB, 25 views)
File Type: jpg rearend 016.jpg (95.0 KB, 29 views)

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post #13 of 15 (permalink) Old 05-30-2011, 03:27 AM
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Quote:
Originally Posted by Skidmark View Post
See what I'm talking about? As I stated before my bearing measures about
.825", and I get a rough measurement of about .682-.686" where the bearing should sit in the housing end.
For the sake of accuracy, please check your measuring device.
Here are the specs for that bearing. Outside diameter=3.1496"; Width=1.083"; Inside diameter=1.5312IN
Won't solve the problem just yet but will help when checking things if needed.
You gotta know your brake set up measurements as the backing plate will go behind the retainer.

1972 torino 460 c-6
1988 turbo coupe, 1978 f150 460/c6
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post #14 of 15 (permalink) Old 05-30-2011, 06:24 AM
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bearings

Quote:
Originally Posted by Skidmark View Post
I have the new torino style big bearings in my 9 inch rear, what width is the bearing suppose to be? I'm thinking I may have gotten the wrong ones...
relax you do not have the wrong bearings the 1/8inch of the bearing that is proud ( sticking out ) of the housing end-- locates the brake backing plate on the axle housing . every 8 and 9 inch housing has this same amount of axle bearing standout for this reason.
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post #15 of 15 (permalink) Old 06-02-2011, 06:21 AM Thread Starter
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Thanks John. you were exactly right. I got worried for nothing!

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