Good morning!
I ended up going to a machine tool dealer that sells thier own rebranded Tiawanese clone mills. They went through thier Bridgeport catalogue (a newer version than the ones I've seen on the net) and gave me the ones they use instead of ordering from Bridgeport. I went this route rather than through the Bpt dealer as the delivery time was going to be prohibitive and the price would be higher. The bearings I bought were; 1 piece - NTN 6206 ZZCM/2AS and 1 pair - NTN 7207CG/GNP4
One the 7207s there is a burnished mark, is this supposed to be lined up with the mark on the second bearing?
They said to wash out the bearings and pack the bearings about 30% full of Kluber grease. Is this best? I've heard somewhere that you shouldn't wash the bearings and I read, I think on this forum, but maybe the Bpt forum that the manufacturers don't always do a great job of cleaning the bearings either. If you do clean them, what is the best way? Is there a less expensive alternative to the Kluber grease, it's $202 for a 400 ml tube and I'd likely have $190 worth of grease sitting around for the next 20 years.
LaVerne  |