NEOAX &lt;NOAX> BUYS REXNORD &lt;REX> UNIT
  Neoax Inc said it bought
  Rexnord Inc's Fairfield Manufacturing Co for 70.5 mln dlrs
  cash.
      The unit makes custom gears for industrial use and had
  sales of 84 mln dlrs in its Oct. 31, 1986 fiscal year.
  

