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Ben's Z

Rear wheel bearings and seals

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I was looking at rockauto.com. I didn't see any outer rear wheel seals. I am painting all my chassis and wanted to do my bearings and seals while I had it all out. There are outer rear wheel seals right? I am on the road and can't look at my parts right now.

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No outer stub axle bearing seals. The outer bearing is sealed and there is a dust ring attached to the axle flange to deflect some road debri.

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Actually, the outer bearing is not technically a sealed bearing. A sealed bearing is sealed on both sides and comes pre-lubed. Sorry to appear to be a know-it-all. The outer bearing is sealed on one side and still must be filled with greased prior to installation.

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Yup,the one on the left is the outer. There is a seal that goes on the inside. (below)

Read this and you should get a better idea: CLICK

seals.jpg

Edited by Blue

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Giving this excellent thread a bump from several years ago.

Where are you guys getting rear bearings? Between MSA, RockAuto and Amazon, it doesn't seem that they can be had for less than $90 per side (except RockAuto's BeckArnley which are so much less expensive it makes me nervous) :ermm:

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I have just the rears (Timken brand) in my cart at RockAuto: $189.39 + shipping :(

The fronts are super cheap by comparison, less than $5 bucks apiece so the fronts only add about $20 to the grand total.

MSA sells Koyo brand bearings for almost exactly the same price, minus about $20 for our club discount; they have seals as well for $7 each, which RockAuto doesn't seem to carry.

Thanks for the feedback Dave. I checked out your blog from your signature - good write ups in there!

Edited by bacarl

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Ouch! I'm glad I got mine when I did... I bought all the rear stuff in August 2012 and I paid about $100 for 2 inner, 2 outer, and 2 grease seals. I'm thinking they must have been trying to get rid of old stock? :(

They went from their shelf to mine... Been sitting on my shelf until I put them in about two days ago.

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Speaking or rear wheel bearings... I've got my bearings in, but I haven't finalized the retaining nut.

What's the consensus at this point? Use the peened over style like original stock, or use the self locking ZX style? Thanks to Blue's writeup at AtlanticZ, I got pics. From http://www.atlanticz.ca/zclub/techtips//rearwheelbearings/index.html

Here's the peened style that was originally on the car:

013.jpg

And here's the self locking ZX style they went to in later years:

83nuts.jpg

Is there anyone who thinks the original style are still better, or is everyone using the newer self locking style from the ZX?

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You'll lose points at the concourse with the ZX nuts. But you'll have an easier time in the future if you ever decide to install an adapter flange for CV axles or 5 lug wheels. ZX nuts give you flexibility. Plus the fact, although unlikely, that your new bearings are damaged and need another replacement. You might need to remove them again. I vote for the ZX nuts just in case the axle needs to come out again.

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Thanks for the input and that was my thinking as well. So the plan is to go with the ZX style unless someone has a compelling reason not to.

I'm not worried about the concourse... I did extra credit with my spindle nut rubber washers. :)

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I see no reason to avoid the ZX nuts. I purchased everything from Motorsport and they only sell "Z/ZX spindle nuts". I'm assuming they don't carry the old peened Z nut but maybe I'll call and confirm.

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Tamo, do you know if those are the Z style that gets peened, or the ZX style which apparently is self locking?

Edit: I checked with Motorsport and they sell the Z-style nut which requires peening to lock. Sounds like unnecessary additional hassle to me!

Edited by bacarl

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