	rexnord rex to sell railway equipment unit rexnord nc said it signed a definitive agreement to sell its railway maintenance equipment co subsidiary to banner industries inc terms were withheld it said railway maintenance had sales of mln dlrs and employs people rexnord said the sale is part of a major program to divest several of its businesses representing about mln dlrs in net assets still to be divested are the process machinery division with sales of mln dlrs and mathews conveyer co with sales of mln dlrs reuter 
