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Old 08-01-2006, 11:02 AM
autozen autozen is offline
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Join Date: Jun 2001
Location: Northern Calif. (Fairfield Area)
Posts: 2,225
Originally Posted by riethoven
I use a hot plate or a coffemaker and heat the new race up to expand it, then pick it up with gloves because it is HOT and slide it on the shaft. I learned this technique from rebuilding woodworking moulders that high precision bearings. They actually had a bearing race heater that was an aluminium stepped cone with a heating element.

However, I did not know that the fit on any axle bearing was so tight that you need a bearing race installer. I recently did my W123 front wheel bearings and everything slid nicely on to the axle. When you tighten the axle nut it clamps the inner races to the axle.
I'm cofussed I can see this for certain applications but not front wheel bearings. They slide right on at ambient temp.
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