Quote:
Originally Posted by KRAM36
I'd keep that seal on it. Watch what happens when the bearing spins with no seal. All the oil is thrown out of the bearing. I'd packed it back with some lifetime lubricant before putting the seal back on.
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There are two problems with these experiments:
1) The bearing is more submerged in oil unless you keep your oil level below the minimum.
2) He spins a whole bearing in oil demonstrating that oil gets thrown out completely due to centrifugal force. In fact, the center stud and the inner race of the bearing is immobile and constantly supplied by oil leaking into the gap between the bearing and the flange inside the bore in the crankcase, as shown on the picture. It`s hard to imagine such circumstances when oil can`t get there when the oil level is at least half way up to the top of the shaft.