View Full Version : Bearing Maintenance
08-11-2006, 10:17 AM
Greetings all, just a basic question, what are recommended practices for cleaning and lubricating the axle bearings? There seems to be different opinions. Thanks in advance.
08-15-2006, 09:46 AM
I'm sure that each of the methods discussed work. It is a matter of paying attention to detail that makes the difference. I'll see if the race team techs can get to your question before they head off to the 3rd week of solid racing.
08-15-2006, 10:40 AM
The only way to get all the dirt and sand out of a bearing is to completely submerge the bearing in some sort of solution and spin the bearing. This will however pull all of the grease out as well so you will need to follow with re-lubricating the bearing with some sort of grease whether it be lithium or otherwise. I have seen some guys modify the bearing by drilling a small hole in the dust cover and then squirt the grease in with a grease gun, some use tri flow, some just replace the bearings after three races. hope this helps
08-15-2006, 11:26 PM
I would like to know how to take the bearing out of the cassette
08-17-2006, 07:51 AM
To take the bearing out of the cassette, you have to turn the bearing perpendicular to the cassette and pull it out the reliefs machined in the cassette. If the bearing and cassette haven't been worked over, it might be tough to turn the bearing in the cassette. If it is tough, use the axle as a breaker bar to twist the bearing perpendicular. After the bearing is out, work over the inside of the cassette with emery cloth or scotch pad. When you reassemble the bearing and cassette, apply anti-seize to the inside of the cassette.
We have holes drilled in the bearing shields so we can spray down the bearings with Tri-flow. Then we apply a light grease. This is good for while at the track. The best maintenance is to submerge them like Chris mentioned.
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