content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001507947</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000098362</issuerCik>
        <issuerName>TIMKEN CO</issuerName>
        <secFileNumber>001-01169</secFileNumber>
        <issuerAddress>
          <com:street1>4500 MT. PLEASANT ST. NW</com:street1>
          <com:city>NORTH CANTON</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>44720-5450</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>(234) 262-3000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Kyle Richard G</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>20000</noOfUnitsSold>
        <aggregateMarketValue>1503400.00</aggregateMarketValue>
        <noOfUnitsOutstanding>71041023</noOfUnitsOutstanding>
        <approxSaleDate>08/22/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/05/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
        <paymentDate>03/05/2018</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Richard G Kyle</name>
          <address>
            <com:street1>4500 Mount Pleasant St NW</com:street1>
            <com:city>North Canton</com:city>
            <com:stateOrCountry>OH</com:stateOrCountry>
            <com:zipCode>44720</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>08/16/2023</saleDate>
        <amountOfSecuritiesSold>24000</amountOfSecuritiesSold>
        <grossProceeds>1844070.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>08/22/2023</noticeDate>
        <signature>/s/ Cristina Garcia, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Kyle Richard G</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001507947
  XXXXXXXX
  LIVE
  0000098362
  TIMKEN CO
  001-01169
  4500 MT. PLEASANT ST. NW
  NORTH CANTON
  OH
  44720-5450
  (234) 262-3000
  Kyle Richard G
  Officer
  Common
  Fidelity Brokerage Services LLC
  245 Summer Street
  Boston
  MA
  02110
  20000
  1503400.00
  71041023
  08/22/2023
  NYSE
  Common
  03/05/2018
  Stock Award
  Issuer
  N
  20000
  03/05/2018
  Compensation
  N
  Richard G Kyle
  4500 Mount Pleasant St NW
  North Canton
  OH
  44720
  Common
  08/16/2023
  24000
  1844070.00
  08/22/2023
  /s/ Cristina Garcia, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Kyle Richard G