Bearings, eh..

Mr Hammers · World Chat Champion Joined: 10 Jul 2008 Karma :

Recently, the NSR developed a vibration at high speed, which initially I put down to the expansion chamber not sitting correctly on its bracket (a previous problem). Until that is, I noticed some play in the rear wheel.

So, picked up some new bearings on Friday, and took the old ones out on Saturday. Then I saw just what condition the r/h side bearing was in when I took it out;

Hmm...bit grubby in there...
https://www.planetash.net/bcf/rwbearing1.jpg

And then...
https://www.planetash.net/bcf/rwbearing2.jpg

I've had chips that were greasier... Very Happy

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BanditsHigh · Worse than a woman Joined: 21 Mar 2005 Karma :

Looks like an OEM bearing, they either have no seals or only one ... just perfect to let all the grease out as the bearing heats up Rolling Eyes

I take it you are replacing with sealed bearings Thumbs Up

Mr Hammers · World Chat Champion Joined: 10 Jul 2008 Karma :

I can't afford for it to be off the road (again) so I had to get the bearings they had in stock at the time. One of those is sealed, luckily the same side as the above, which is under the most stress, but unfortunately the other wasn't. I'll just keep an eye on it add it to my monthly Grease It list, and it should be ok.
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baldy · World Chat Champion Joined: 16 Feb 2004 Karma :

Don't they sit behind normal seals anyway? So the only advantage of the bearing being sealed is to keep the grease in.
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BanditsHigh · Worse than a woman Joined: 21 Mar 2005 Karma :

iooi · Super Spammer Joined: 14 Jan 2007 Karma :

baldy · World Chat Champion Joined: 16 Feb 2004 Karma :

I know, i always take the seals out, wash what ever crap out that is in there and pack it full of proper grease, normaly silicon grease.
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One day i will rule the world, just not today.