Chexjc said:It really isn't difficult to take them apart and clean them though. Open
it up, clean it with some WD40. If you're really concerned. a new set
won't cost you more than $25
These are universal bearings, common to many devices. I have used
them on motorcycles for decades.
1. If you remove the bearing, you must replace it. Pulling it off
damages it.
2. Do not open the seal. Test the bearing by turning it with your
finger. If you feel any stickiness, it is damaged, replace it.
3 Properly installed, these things are tough and require no service. I
have had many go for 50, 000 + miles on motorcycle wheels with no
trouble. I just check and replace the rough ones at tire change time. I
have ridden through enough water and mud to bury a million unicycles.
The bearings are sealed. If you open the seal they won't be sealed
anymore. You will never get the seal back on right.
4. There is a bearing # on the side of the bearing. Almost every town
has a tool repair shop. Or auto store. Give them this number and they
will have your bearing for about 8$ US. There is no such thing as a
unicycle bearing. They are all standard. As long as the first part of
the number is right, and it is double sealed, it is what you want.
There is some variety in the last letters of the number , these denote
seal type, and it's not to important.
5 . When you tap it onto the axle, use a socket or pipe to hit just
the inner race of the bearing. If you drive it on smacking the outer
race, you will damage it.
So don't worry about your bearings. Just avoid blasting them with
a pressure hose. Normal water is OK. If they pass the "finger turn
test", leave them alone. There is no advantage to replacing a good
bearing, and if you open the seal you should throw it away. Blasting
with wd40 is also a bad idea. That may penetrate the seal and dilute
the grease.
--
feel the light
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