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                                                                   EXHIBIT 10(a)

                                 FIRST AMENDMENT
                                     TO THE
                      APPLIED INDUSTRIAL TECHNOLOGIES, INC.
                     SUPPLEMENTAL DEFINED CONTRIBUTION PLAN
                          (JANUARY 1, 1997 RESTATEMENT)

         WHEREAS, Applied Industrial Technologies, Inc. (formerly known as
Bearings, Inc. and hereinafter referred to as the "Company") established the
Applied Industrial Technologies, Inc. Supplemental Defined Contribution Plan
(formerly known as the Bearings, Inc. Supplemental Defined Contribution Plan and
hereinafter referred to as the "Plan"), effective as of January 1, 1996, for the
benefit of a select group of management or highly compensated employees; and

         WHEREAS, effective as of January 1, 1997, the Plan was subsequently
amended and restated; and

         WHEREAS, the Company desires to amend said restated Plan;

         NOW, THEREFORE, effective as of October 1, 2000, the Plan is hereby
amended in the respects hereinafter set forth:

         1. Section 1.1 of the Plan is hereby amended by the addition of
Paragraph (23) at the end thereof to provide as follows:

          (23) The term "APPLIED DEFERRED COMPENSATION PLAN" shall mean the
     Applied Industrial Technologies, Inc. Deferred Compensation Plan (formerly
     the Bearings, Inc. Deferred Compensation Plan), as amended from time to
     time.

         2. Section 1.1 of the Plan is hereby amended by the addition of
Paragraph (24) at the end thereof to provide as follows:

          (24) The term "TRANSFERRED CONTRIBUTIONS" shall mean the contributions
     that are transferred from the Applied Deferred Compensation Plan pursuant
     to the terms thereof for crediting to the Separate Account of a Participant
     who is a Retired Participant under the Applied Deferred Compensation Plan.

         3. Section 1.1 of the Plan is hereby amended by the addition of
Paragraph (25) at the end thereof to provide as follows:

                  (25) The term "TRANSFERRED CONTRIBUTIONS ACCOUNT" shall mean
         the Separate Account to which Transferred Contributions of a
         Participant who is a Retired Participant under the Applied Industrial
         Technologies, Inc. Deferred Compensation Plan are credited in
         accordance with the provisions of Section 4.1 of the Plan.

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         4. Section 4.1 of the Plan is hereby amended to provide as follows:

                  4.1 TYPES OF SEPARATE ACCOUNTS. Each Participant shall have
         established in his name the following Separate Accounts which shall
         reflect the type of contributions credited to him pursuant to Article
         III or transferred to the Plan from his Deferral Account under the
         Applied Deferred Compensation Plan:

                  (a)      a Supplemental 401(k) Account which shall reflect the
                           Supplemental 401(k) Contributions credited to a
                           Participant pursuant to Section 3.1 as well as any
                           amount transferred from the King Bearing, Inc.
                           Nonqualified Supplemental Executive Retirement Plan,
                           and any adjustment thereto pursuant to Section 4.2;
                           and

                  (b)      a Supplemental Matching Account which shall reflect
                           the Supplemental Matching Contributions credited to a
                           Participant pursuant to Section 3.2, and any
                           adjustment thereto pursuant to Section 4.2; and

                  (c)      a Transferred Contributions Account which shall
                           reflect any Transferred Contributions that are
                           credited to a Participant who is also a Retired
                           Participant under the terms of the Applied Deferred
                           Compensation Plan and that are transferred from the
                           Applied Deferred Compensation Plan pursuant to the
                           procedures thereunder, and any adjustment thereto
                           pursuant to Section 4.2.

         5. Article IV of the Plan is hereby amended by the addition of Section
4.7 at the end thereof to provide as follows:

                  4.7 INVESTMENT OF TRANSFERRED CONTRIBUTIONS. Subject to
         procedures specified by the Company, each Participant who has
         Transferred Contributions credited to his Transferred Contributions
         Account shall elect the Funds in which such Transferred Contributions
         are to be deemed invested. In addition, each such Participant may elect
         to change the manner in which his Transferred Contributions are deemed
         to be invested in the form, time and manner specified by the Company.
         Upon receipt of any such election, the Company shall cause the
         crediting or transfer, as the case may be, of such Transferred
         Contributions among the Funds designated by the Participant pursuant to
         procedures specified by the Company.

         6. Section 5.2 of the Plan is hereby amended to provide as follows:

                  5.2 METHOD OF DISTRIBUTION. Except as otherwise provided in
         Sections 5.3 and 5.4, the balance of a Participant's Separate Accounts
         shall be paid to the

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         Participant, or his Beneficiary, if applicable, in a single sum cash
         payment or in substantially equal annual installment payments over a
         period not in excess of three years and shall be determined as of the
         most recent Valuation Date; provided, however, that any Participant who
         has assets credited to a Transferred Contributions Account shall have
         the balance of his Separate Accounts paid over a period that is not in
         excess of ten years.

         Executed at Cleveland, Ohio this  28th  day of  September  , 2000.
                                           ---------    -----------

                                      APPLIED INDUSTRIAL TECHNOLOGIES, INC.

                                      By:  /s/ Robert C. Stinson
                                         -----------------------------------
                                      Title:  Vice President

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                                                                   EXHIBIT 10(b)

                                SECOND AMENDMENT
                                     TO THE
                      APPLIED INDUSTRIAL TECHNOLOGIES, INC.
                           DEFERRED COMPENSATION PLAN
                          (JANUARY 1, 1997 RESTATEMENT)

         WHEREAS, the Applied Industrial Technologies, Inc. Deferred
Compensation Plan (formerly known as the Bearings, Inc. Deferred Compensation
Plan and hereinafter referred to as the "Plan") was established, effective as of
July 1, 1993, by Applied Industrial Technologies, Inc. (formerly known as
Bearings, Inc. and hereinafter referred to as the "Company") to provide key
executives of the Company and its affiliates with a means by which to defer
receipt of all or a portion of their incentive compensation payable under the
Applied Industrial Technologies, Inc. Management Incentive Plan; and

         WHEREAS, effective as of January 1, 1997, the Plan was amended and
restated; and

         WHEREAS, the Plan was subsequently amended on one occasion; and

         WHEREAS, the Company desires to again amend the Plan;

         NOW, THEREFORE, effective as of October 1, 2000, the Plan is hereby
amended in the following respects.

         1. Section 1.1 of the Plan is hereby amended by the addition of
Paragraph (20) at the end thereof to provide as follows:

          (20) The term "Retired Participant" shall mean a Participant who
          terminates employment with the Company and its Affiliates due to
          retirement after attainment of age 55.

         2. Article III of the Plan is hereby amended by the addition of Section
3.4 at the end thereof to provide as follows:

                  3.4 DEFERRAL ACCOUNTS OF RETIRED PARTICIPANTS. A Retired
         Participant may elect no earlier than 90 days, and no later than 30
         days, prior to his termination of employment due to retirement to have
         the balance of his Deferral Account transferred in kind to the Applied
         Industrial Technologies, Inc. Supplemental Defined Contribution Plan
         for administration thereof in accordance with the terms of such plan.

         Executed at Cleveland, Ohio, this  28th  day of  September,   2000.
                                           ------        ------------

                                           APPLIED INDUSTRIAL TECHNOLOGIES, INC.

                                           By:   /s/ Robert C. Stinson
                                              ----------------------------------
                                              Title:  Vice President<PAGE>   1
                                                                   EXHIBIT 10(c)

                                SECOND AMENDMENT
                                     TO THE
                      APPLIED INDUSTRIAL TECHNOLOGIES, INC.
                     SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN
                           (JULY 1, 1997 RESTATEMENT)

         WHEREAS, the Applied Industrial Technologies, Inc. Supplemental
Executive Retirement Plan (formerly known as the Bearings, Inc. Supplemental
Executive Retirement Plan and hereinafter referred to as the "Plan") was
established on January 21, 1988, by Applied Industrial Technologies, Inc.
(formerly known as Bearings, Inc. and hereinafter referred to as the "Company")
to provide supplemental retirement benefits for certain key executives of the
Company; and

         WHEREAS, effective as of July 1, 1997, the Plan was amended and
restated; and

         WHEREAS, the Plan was amended subsequently on one occasion; and

         WHEREAS, the Company desires to again amend the Plan;

         NOW, THEREFORE, effective as of October 1, 2000, the Plan is hereby
amended in the respects hereinafter set forth.

         1. Section 6.1 of the Plan is hereby amended to provide as follows:

                  6.1 OPTIONAL METHODS OF PAYMENT. Subject to the provisions of
         Article VII, any Participant who becomes eligible under the Plan for a
         supplemental normal or early retirement benefit may, in lieu of any
         benefits otherwise payable under the Plan, elect to receive payment of
         such benefit in accordance with any one of the following options:

                           OPTION A A reduced monthly supplemental retirement
                  benefit payable to such Participant for his lifetime following
                  his termination of employment with the continuance of a
                  monthly benefit equal to one-half of such reduced amount after
                  his death to his Contingent Annuitant during the lifetime of
                  the Contingent Annuitant, provided that such Contingent
                  Annuitant is living at the time such Participant's benefit
                  commences.

                           OPTION B A reduced monthly supplemental retirement
                  benefit payable to such Participant for his lifetime following
                  his termination of employment with the continuance of a
                  monthly benefit equal to three-quarters of such reduced amount
                  after his death to his Contingent Annuitant during the
                  lifetime of the Contingent Annuitant, provided such Contingent
                  Annuitant is living at the time such Participant's benefit
                  commences.

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                           OPTION C A reduced monthly supplemental retirement
                  benefit payable to such Participant for his lifetime following
                  his termination of employment with the continuance of a
                  monthly benefit equal to such reduced amount after his death
                  to his Contingent Annuitant during the lifetime of the
                  Contingent Annuitant, provided such Contingent Annuitant is
                  living at the time such Participant's benefit commences.

                           OPTION D A reduced monthly supplemental retirement
                  benefit payable to such Participant for his lifetime following
                  his termination of employment with the continuance to the
                  person or persons designated by him as his Term-Certain
                  Beneficiary of such reduced amount after his death for the
                  remainder, if any, of the ten-year period commencing with the
                  date as of which the first payment of such monthly benefit is
                  made, and with any monthly benefits remaining unpaid upon the
                  death of the survivor of the Participant and his Term-Certain
                  Beneficiary to be made to the estate of such survivor.

                           OPTION E A commercial annuity in the form of a single
                  life annuity for the life of such Participant.

                           OPTION F A commercial annuity in the form of a cash
                  refund annuity.

                           OPTION G A commercial annuity for a term certain of
                  ten years and continuous for the life of the Participant if he
                  survives such term certain and with the continuance to the
                  persons designated by him of any benefits remaining unpaid
                  upon his death.

                           OPTION H A commercial annuity payable for the life of
                  such Participant with a survivor annuity for the life of his
                  Contingent Annuitant which shall be equal to 50%, 75%, or 100%
                  of the annuity payable during the joint lives of the
                  Participant and his Contingent Annuitant.

                           OPTION I A single sum payment.

                 The Contingent Annuitant of a Participant under Option A, B,
         C, or H, or the Term-Certain Beneficiary under Option D or G shall be
         any person so designated by such Participant. The monthly payments to
         be made under any option shall be in an amount or amounts the
         actuarial value of which, on the date of commencement thereof or, if
         earlier, as of the Participant's Normal Retirement

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         Date, shall be the actuarial equivalent of the monthly benefits
         otherwise payable to the Participant under the Plan, in lieu of which
         the option was elected, taking into account the age of his Contingent
         Annuitant if any, and determined in accordance with the provisions of
         Section 11.7. A Participant may revoke or elect to change any option
         made by him at any time prior to commencement of benefit payments. In
         any case where a benefit payable under the Plan is to be paid in the
         form of a commercial annuity, a commercial annuity contract shall be
         purchased from an insurance company selected by the Participant and
         distributed to such Participant. Upon the distribution of any amount
         used to purchase the annuity contract, the insurance company issuing
         such contract shall be solely responsible to the recipient of the
         contract for the annuity payments thereunder. All certificates for
         commercial annuity benefits shall be nontransferable, and no benefit
         thereunder may be sold, assigned, discounted, or pledged. Any
         commercial annuity purchased under the Plan shall contain such terms
         and provisions as may be necessary to satisfy the requirements under
         the Plan.

         2. Section 6.3 of the Plan is hereby amended to provide as follows:

                 6.3 PAYMENT UNDER AN OPTION. A monthly benefit payment under
         Option A, B, C, or D shall be made to an eligible Participant at the
         same time as the monthly benefit payment otherwise payable to him
         under the Plan would have commenced. Monthly benefit payments which
         become payable to a Contingent Annuitant of a Participant under Option
         A, B, or C shall commence with the month following the month in which
         the death of such Participant occurs and shall be payable monthly
         thereafter during the life of the Contingent Annuitant, the last
         payment being for the month in which the death of the Contingent
         Annuitant occurs. Monthly payments which become payable hereunder to a
         Term-Certain Beneficiary of a Participant under Option D shall
         commence with the month following the month in which the death of such
         Participant occurs, and the last such monthly payment shall be made
         for the last month in the term certain; provided, however, that in the
         event that any such monthly payments become payable to the estate of
         any person or to a trust, a lump-sum amount shall be paid to such
         estate or trust in lieu thereof. Such lump-sum amount shall be equal
         to the present actuarial value of the aggregate monthly payments
         otherwise payable to such estate or trust in accordance with the
         provisions of Section 11.7. Any single sum payment under Option I
         shall be made to an eligible Participant not before the January 1st of
         the immediately following calendar year but in no circumstance later
         than January 15th of such year.

         3. Section 11.7 of the Plan is hereby amended to provide as follows:

                  11.7 ACTUARIAL FACTORS. Supplemental retirement benefits of a
         Participant that are payable in a single sum form pursuant to the
         provisions of Sections 6.3, 7.3, or 8.2 shall be determined by using
         the interest rate on 30-year

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         U.S. Treasury bonds for the January immediately preceding the month in
         which the supplemental retirement benefit of a Participant under the
         Plan is to be paid in a lump sum form and the 1983 Group Annuity
         Mortality Table (without projection and a fixed blend of 50 percent of
         the male mortality and 50 percent of the female mortality rates).
         Actuarially equivalent benefits under the Plan for options other than
         Option I shall be determined using the UP-1984 Mortality Table with a
         3-year setback and the Uniform Seniority Table and an 8% interest rate.

         Executed at Cleveland, Ohio this   28th   day of  September  , 2000.
                                          --------        ------------

                                           APPLIED INDUSTRIAL TECHNOLOGIES, INC.

                                           By:    /s/ Robert C. Stinson
                                              ---------------------------------
                                               Title:   Vice President

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