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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0000084748-08-000025.txt : 20080215
<SEC-HEADER>0000084748-08-000025.hdr.sgml : 20080215
<ACCEPTANCE-DATETIME>20080215143301
ACCESSION NUMBER:		0000084748-08-000025
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080214
FILED AS OF DATE:		20080215
DATE AS OF CHANGE:		20080215

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ROGERS CORP
		CENTRAL INDEX KEY:			0000084748
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS, MATERIALS, SYNTH RESINS & NONVULCAN ELASTOMERS [2821]
		IRS NUMBER:				060513860
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1230

	BUSINESS ADDRESS:	
		STREET 1:		P.O. BOX 188
		STREET 2:		ONE TECHNOLOGY DRIVE
		CITY:			ROGERS
		STATE:			CT
		ZIP:			06263-0188
		BUSINESS PHONE:		860-779-5756

	MAIL ADDRESS:	
		STREET 1:		ONE TECHNOLOGY DRIVE
		CITY:			ROGERS
		STATE:			CT
		ZIP:			06263

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kaczmarek Peter G
		CENTRAL INDEX KEY:			0001373906

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04347
		FILM NUMBER:		08622229

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		860-774-9605

	MAIL ADDRESS:	
		STREET 1:		ONE TECHNOLOGY DRIVE, P.O. BOX 188
		CITY:			ROGERS
		STATE:			CT
		ZIP:			06263-0188
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-02-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000084748</issuerCik>
        <issuerName>ROGERS CORP</issuerName>
        <issuerTradingSymbol>ROG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001373906</rptOwnerCik>
            <rptOwnerName>Kaczmarek Peter G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE TECHNOLOGY DRIVE, P.O. BOX 188</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ROGERS</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06263-0188</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>V.P. High Perf. Foams</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>31.31</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-02-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>16600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-02-14</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2018-02-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Capital (Common) Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>16600</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This Non-Qualified Stock Option is granted pursuant to the 2005 Equity Compensation Plan and is exercisable in one-third increments on the second, third and fourth anniversary dates of the grant.</footnote>
        <footnote id="F2">Mr. Kaczmarek also indirectly owns 1,125.1870 shares of Rogers Corporation Capital (Common) Stock through the Company's 40l(k) plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Eileen D. Kania as Power of Attorney</signatureName>
        <signatureDate>2008-02-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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