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Old 04-21-2013, 08:00 PM   #1
pinball
I got slow
 
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Join Date: Feb 2011
Location: SE
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Posts: 4,677

Experience: 4 years
Trackdays: 2


Big dirt bike (sold)
2003 Honda Sabre (sold)







Pulling/Pressing Bearings

Just a couple tricks I used when doing the wheel mod on my Vee. These may be old had to some of you guys.

The bearings in the front rim were TIGHT. I couldn't budge them with a slide hammer, and there wasn't enough room to drive them out from the inside. Before ScooterTrash got hold of it, the rim was standard Suzuki silver. I put it in the oven for about 45 minutes at 250*. The bearings practically fell out. Didn't even have to use the slide hammer. I just tightened the collet and pulled them out by hand.

They weren't any easier to press. I used a 1 1/2" socket (made perfect contact with the outer race on the 52mm bearing) and a hammer. I got one in fine, but somehow I screwed up the race seal on the second one so I had to pull it back out. Just like before, I couldn't get the thing to budge. Since the rim was now powder coated I couldn't put it back in the oven. Tim told me I could get it hot as long as I didn't touch the powder coating, so I invested in a $13 heat gun from Harbor Freight. 5 minutes with the heat gun on the hub and the bearing came out easily (not oven-easy, but 5-6 good whacks with the slide hammer got it done).

When the new bearing arrived I put it in the freezer for about 30 minutes, then heated the hub with the heat gun again. Wasn't exactly a drop-in, but it was MUCH easier than trying to press it into a room temperature hub.

I had no such issues with the rear bearings (stock DL1000 wheel), and I don't know why the GSXR600 hub was so damned tight. Anyhow, got it done, and I hope some of you can use this to make swapping bearings a bit easier.
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