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Bottom Finish Station Roller Bearing   SB 017.1

Service Bulletin: SB 017.1

Subject: Bottom Finish Station Roller Bearing


The present McGill NR-12 and MI-8 roller bearing assembly which activates the knurling pressure lever in the bottom finish station should be directly replaced by a McGill #GR-12-SS Bearing with #MI-8 inner race. This bearing has a full compliment of rollers for long life under oscillating load conditions. It also is equipped with integral seals to retain lubrication. These features will greatly improve the service life of this bearing.

To further prolong the life of this assembly it is important not to overadjust the knurling pressure. Excessive knurling pressure only damages cups and reduces the life of this bearing and other components.