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                                  UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549



                                    FORM 8-K

                                 CURRENT REPORT

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

                          Date of report: JULY 21, 2005
                        (Date of earliest event reported)

                                IDEX CORPORATION
             (Exact name of registrant as specified in its charter)



    DELAWARE                        1-10235                      36-3555336
   (State of                (Commission File Number)           (IRS Employer
 Incorporation)                                              Identification No.)

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

                                 (847) 498-7070
              (Registrant's telephone number, including area code)



         Check the appropriate box if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

      [ ]   Written communications pursuant to Rule 425 under the Securities Act
            (17 CFR 230.425)

      [ ]   Soliciting material pursuant to Rule 14a-12 under the Exchange Act
            (17 CFR 240.14a-12)

      [ ]   Pre-commencement communications pursuant to Rule 14d-2(b) under the
            Exchange Act (17 CFR 240.14d-2(b))

      [ ]   Pre-commencement communications pursuant to Rule 13e-4(c) under the
            Exchange Act (17 CFR 240.13e-4(c))

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Item 2.02 - Results of Operations and Financial Condition.

The information in this Item is furnished to, but not filed with, the Securities
and Exchange Commission solely under Item 2.02 of Form 8-K, "Results of
Operations and Financial Condition."

On July 21, 2005, IDEX Corporation issued a press release announcing financial
results for the quarter ended June 30, 2005. A copy of the press release is
furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated
herein by reference.


Item 9.01 - Financial Statements and Exhibits.

(c)         Exhibits

            99.1        Press release dated July 21, 2005




                                    SIGNATURE


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




                                 By:  /s/ Dominic A. Romeo 
                                      ------------------------------------------
                                      Dominic A. Romeo
                                      Vice President and Chief Financial Officer

July 21, 2005







                                  EXHIBIT INDEX



EXHIBIT
NUMBER               DESCRIPTION
------               -----------
                      
99.1                 Second quarter 2005 earnings release dated July 21, 2005