An electric power producer was understandably puzzled when, about a year ago, it received a memorandum from one of the premier manufacturers of rolling element bearings stating, in effe..
An electric power producer was understandably
puzzled when, about a year ago, it received a memorandum from
one of the premier manufacturers of rolling element bearings
stating, in effect, that neither sealed nor shielded
bearings are regreasable. There's a serious conflict here,
since we learned decades ago that grease consists of 85% oil,
the rest being soap and other additives. Moreover, much
literature tells us that the oil portion of the grease
"bleeds" or "seeps" through the gap between the shields and
the bearing inner ring, and that capillary action causes the
oil to leave the soap and wet the rolling
elemen
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