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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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                                    FORM 8-K



                                 CURRENT REPORT


     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934




        Date of Report (Date of earliest event reported) : APRIL 16, 2003





                                IDEX CORPORATION
             (Exact Name of Registrant as Specified in its Charter)





                                                                                    
               DELAWARE                                 1-10235                               36-3555336
   (State or other jurisdiction of              (Commission File Number)                   (I.R.S. Employer
    incorporation or organization)                                                        Identification No.)




                                 630 DUNDEE ROAD
                           NORTHBROOK, ILLINOIS 60062
          (Address of principal executive offices, including zip code)


                                 (847) 498-7070
                         (Registrant's telephone number)



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ITEM 9.       INFORMATION PROVIDED UNDER ITEM 12 (RESULTS OF OPERATIONS AND
              FINANCIAL CONDITION)

              The information required by Item 12 is being provided under Item 9
              pursuant to SEC interim filing guidance provided in SEC press
              release No. 2003-41.

              The following information is furnished pursuant to Item 12,
              "Results of Operations and Financial Condition." The information
              in this Form 8-K and the Exhibit attached hereto shall not be
              deemed "filed" for purposes of Section 18 of the Securities Act of
              1934, nor shall it be deemed incorporated by reference in any
              filing under the Securities Act of 1933, except as shall be
              expressly set forth by specific reference in such filing.

              On April 16, 2003, IDEX Corporation issued a press release
              announcing financial results for the quarter ended March 31, 2003.
              A copy of the press release is attached as Exhibit 99.1 to this
              Current Report on Form 8-K.







                                   SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.







                                   IDEX CORPORATION


                                   /s/  WAYNE P. SAYATOVIC
                                   ---------------------------------------------
                                   Wayne P. Sayatovic
                                   Senior Vice President--Finance, and Chief
                                     Financial Officer


April 16, 2003





                                  EXHIBIT INDEX




EXHIBIT
NUMBER            DESCRIPTION
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99.1*             First quarter 2003 earnings release dated April 16, 2003


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* Filed herewith