If a guy were to put the SKF bearings in the housing, would you really need to do the grease mod? I think it would really benefit the cheap China bearings, but since the SKF is much higher quality I'm not sure it would benefit as much. Thoughts?
IMO, I would say that it's worth the little extra time for peace of mind even if using SKF bearings. I have done it that way and have zero regrets.
Outlaw50, Yes you are removing the inner bearing seals so the grease gets in there. Hence you would only want to do the grease fitting and plug mod if those seals are removed or the grease will not reach the bearings(not as easily anyway). Doing it later is not really an option. Hope this helps!
I guess that would make sense. Kind of like doing a top end rebuild and not putting new gaskets on. Just some preventative measures to help the durability of the machine. I ride mine in muffler deep water here and there so it's probably necessary.
Well I did a little researching of my own and came up with a different company and number. I ended up buying a pair of Fafnir 9114PP's on eBay for pretty cheap. They retail for just over $115 each and I got two for less than half of that. Fafnir is now owned by Timken so they are good quality bearings. The PP stands for double seals and a K stands for open. The bearing dimensions are:
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