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Wave Washer? rear hub cartridge bearing

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Wave Washer? rear hub cartridge bearing

Old 10-27-13, 03:46 PM
  #1  
turky lurkey
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Wave Washer? rear hub cartridge bearing

Hi everybody,

I've begun hearing a little squeak coming from my rear wheel this past week so I decided I need to replace the cartridge bearings in the hubs (I've never messed with cartridge bearings before). It's an '87 Diamond Back Apex mtn bike, I believe they are the original hubs. Not sure what kind of hubs they are but there is a sticker on it that says SUZUE SEALED BEARINGS. There is an SR stamped on it, not sure what that means, maybe sun tour?

Anyway I removed the bearings by taking the locknut off the non-drive side and tapping the end of the axle with a rubber mallet. I found that on the non-drive side there was a small washer on the inside of the bearing, there was no small washer on the drive side. I couldn't figure out why that washer would be there and had begun to think somebody had previously serviced the hub and put the washer there mistakenly. Upon further research I've learned that sometimes there is supposed to be a washer on the non drive side and that they need to be installed in a certain way. So I guess I should put it back.

The issue now is that the washer appears to be bent or curved a little, but I don't think it would have gotten bent the way I removed it (could be wrong). I came across something online called a wave washer, that might be used to pre-load something?
Does anybody know if that is what I might have, and does it need to be installed a certain way? Or do I need to get a new special washer of some kind?

Another thing is that in playing with the hub trying to figure out how it worked I pushed the bearing on and off the axle a couple (ok, a few) times and the first time it was very hard to do with my bare hands but after doing it a couple times it got quite a bit easier (dumb I know), I hope I haven't done to much damage by sliding the thing on and off, hopefully most of the wear from sliding off and on is on the old bearing and not the axle, but I'm not sure and don't plan to mess with it anymore until the new bearings come in. How much do I need to worry about that? Thanks in advance for any insight!

Last edited by turky lurkey; 10-27-13 at 04:00 PM.
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Old 10-27-13, 04:30 PM
  #2  
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Wave washers are commonly used with radial bearings like yours. They take up the axial play that is inherrent in the design without overload the bearings in that directions, and make adjusting more forgiving. A slight bend doesn't matter, so feel free to reuse the washer. When adjusting, tighten by degrees until you feel the play is gone and no further, The object is to just slightly compress the wave washer so it keeps the axle from moving, but not to compress it to where it creates a load on the bearing.

BTW- Suzue is an old time hub maker in Japan, and has made hubs for many companies including Sun Tour, besides selling under their own name. These days they're probably best know for their track hubs, but continue to offer a range of nice hubs.
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Old 10-27-13, 04:43 PM
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Originally Posted by FBinNY View Post
Wave washers are commonly used with radial bearings like yours. They take up the axial play that is inherrent in the design without overload the bearings in that directions, and make adjusting more forgiving. A slight bend doesn't matter, so feel free to reuse the washer. When adjusting, tighten by degrees until you feel the play is gone and no further, The object is to just slightly compress the wave washer so it keeps the axle from moving, but not to compress it to where it creates a load on the bearing.

BTW- Suzue is an old time hub maker in Japan, and has made hubs for many companies including Sun Tour, besides selling under their own name. These days they're probably best know for their track hubs, but continue to offer a range of nice hubs.
Thanks FBinNY! Excellent insight as usual.
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