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Many types of oil film bearing, use is very extensive, like a steam turbine, generator, ball mill, fan bearings, astronomy, aviation, aerospace equipment use etc.. Oil film bearing in rolling mill is one of the largest load bearing oil film bearing.
Roughing mill and mill to use rolling bearing, pre finishing and finishing with the use of oil film bearing.

Steel and bar mills mostly use rolling bearing.
Strip mill at home is still in the rolling bearing, but because of its short life bearing low and tends to cause progressive development of oil film bearing.
Plate mill, the general medium plate mill and hot strip mill is used in cold rolling mill oil film bearing, most of the use of oil film bearing, part of the use of rolling bearings, which Japan cold rolling mill using more, other Western Europe, Russia, and other countries, American China rarely recommended the use of rolling bearings.