Irish Yobbo wrote:
As for how much grease you need, they refer to it as 'grease packing' because you need to pack as much grease in there as possible. You need to get your hands dirty, smear grease over all the rollers and roll them around so the grease gets through to the other side. Repeat until it's full. You might want to put some more grease on the inside of the outer race as well. Once you have the whole thing together, wipe off the excess.
the technique I was taught is to put a big glob of grease on the palm of one hand, and push the side of the bearing down onto it, so as to force grease up and through the rollers - that way you get any air bubbles out and it's completely filled.
putting too much grease in can generate heat and burn it...
there's actually a formula based on the surface area of the rollers, faces and some other stuff that tells you exactly how mych grease should be in there. I'm told that if you take apart an OEM Toyota (etc.) bearing, it's amazing how little grease is in there
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