Rear carrier bearing size difference?? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 13 Old 11-10-2013, 08:56 AM Thread Starter
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Rear carrier bearing size difference??

I haven't posted on in a while but need help! I am repairing my rear end and the overhaul kit i bought for a non rubi 44 came with carrier bearings that are way too small to press on. I do have an arb air locker would that be the difference? Still running the non rubi 30 spline axles and the outer diameter of the carrier is exactly 2 inches. Would the arb require rubi carrier bearings even though the axle shafts are still non rubi? The pinion gear went on fine. Thanks if anyone has a clue it would be a great help!
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post #2 of 13 Old 11-10-2013, 09:00 AM
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Yea the ARB carrier uses different bearings. I can look up the part number when I get home but I don't know the Timkin bearing number sorry. Shims are different as well.

Sean
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post #3 of 13 Old 11-10-2013, 09:15 AM Thread Starter
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Thanks I was afraid that was my problem. Do you know if the pinion gear will be different? It pressed on easy
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post #4 of 13 Old 11-10-2013, 09:27 AM
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The pinion bearings are the same as well as the shims and seal and the new nut and washer or flanged nut if it came with one. Double check the numbers on the bearings to make sure they match.

You use the stock master shim as the outermost carrier shim and the skinnier ARB master shims against the carrier bearing cups and then the ARB skinny shims between them.

Have you seen any of these two write-ups on gearing, very helpful:

http://www.pirate4x4.com/tech/billavista/Gear_Setup/

http://www.jk-forum.com/forums/jk-wr...gearing-82262/

Sean
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post #5 of 13 Old 11-10-2013, 09:40 AM Thread Starter
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I will check the links. Thanks for the help! Downside is I pulled everything apart before I realized it was different and no one is open to order new parts today.
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post #6 of 13 Old 11-10-2013, 04:56 PM
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I looked at my directions for my Dana 44 ARB locker and the part number for the carrier bearings is #160101. Model number is RD117. Funny thing is it says for 30 spline 3.73 and down but I got 4.88's, I thought that was up???

Sean
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post #7 of 13 Old 11-11-2013, 04:29 AM
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Quote:
Originally Posted by thecarters91303 View Post
Thanks I was afraid that was my problem. Do you know if the pinion gear will be different? It pressed on easy
Pinion bearing diameters are all the same for JK axles. Just the gap between them and the needed crush sleeve are different.

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Originally Posted by Sgo70 View Post
I looked at my directions for my Dana 44 ARB locker and the part number for the carrier bearings is #160101. Model number is RD117. Funny thing is it says for 30 spline 3.73 and down but I got 4.88's, I thought that was up???

Sean
JK 44 axles use "thick cut" gears, meaning the overall thickness of the ring gear is greater, resulting in using 1 carrier offset as opposed to 2 for standard 44's. A 3.73 and numerically lower carrier will work with ALL JK gears. A 3.92 and numercally higher will not work.

-Mike
2007 2dr X, 6sp, 35's on D44's, 2" lift, cage, hydro, etc.

Last edited by JKred07; 11-11-2013 at 04:32 AM.
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post #8 of 13 Old 11-11-2013, 04:35 AM
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Quote:
Originally Posted by thecarters91303 View Post
I haven't posted on in a while but need help! I am repairing my rear end and the overhaul kit i bought for a non rubi 44 came with carrier bearings that are way too small to press on. I do have an arb air locker would that be the difference? Still running the non rubi 30 spline axles and the outer diameter of the carrier is exactly 2 inches. Would the arb require rubi carrier bearings even though the axle shafts are still non rubi? The pinion gear went on fine. Thanks if anyone has a clue it would be a great help!
Just to confirm, ARB does require they're own bearings [sizes] that are different than OEM.

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post #9 of 13 Old 11-11-2013, 05:15 AM
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Originally Posted by Goodysgotacuda View Post
Just to confirm, ARB does require they're own bearings [sizes] that are different than OEM.
I know for a fact that their rubi locker (RD157) uses rubicon carrier bearings. You may be correct on the others tho.

-Mike
2007 2dr X, 6sp, 35's on D44's, 2" lift, cage, hydro, etc.
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post #10 of 13 Old 11-11-2013, 05:39 AM
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I know for a fact that their rubi locker (RD157) uses rubicon carrier bearings. You may be correct on the others tho.
The JK D30 is definitely a different bearing. Haven't done a D44, just assumed.

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post #11 of 13 Old 11-11-2013, 06:41 AM
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To my knowledge the arb's that require different carrier bearings come with them in the box. Or at least my arb's did.
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post #12 of 13 Old 11-11-2013, 07:55 AM
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Yes they are definitely different on both ARB D44 and D30. I just finished mine and now I have two sets of each stock carrier bearings left over from the master install kit. They come with the lockers.

Sean
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post #13 of 13 Old 11-14-2013, 06:57 PM Thread Starter
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Thanks again for the help. The guys at northridge 4x4 took care of me. FYI to anyone else who comes across this problem there are even different bearings for arb lockers depending on how old the unit is.
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