A F650 WATER PUMP BEARING?

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spokie

Race Dog
Joined
Aug 4, 2011
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Location
Pretoria
Bike
BMW F650GS / Dakar
I’m sure many F650 riders had ever thought of fitting a sealed bearing rather than a seal at the water side. 

I have been pondering about this for quite some time now and was also wondering if someone else has ever actually tried doing something like this.

Obviously, to fit a bearing in there some proper machining will be necessary which is definitely possible, for there is enough space and material in the clutch cover plate to accommodate and support a bearing shoulder - a necessity. Unfortunately a suitable impeller shaft will also need to be turned (also no problem).  ;D

I have casually selected 2 potential sealed bearings for this task (SKF has a stainless steel one as well). The current seal hosing has an ID of 20mm and there is space for a depth of, more or less, 6 mm (I don't know, but it must not seal off the weeping hole, though). The bearings have an OD of 22 mm (perfect) and a depth of some 5 mm and are sealed on both sides, filled with one of various lubricants to choose from… :mwink:

So, what do you guys think and is this economically feasible?
 

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