<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:1b74d227-38c0-461a-bd83-5db58a07bb78,g:7600be23-0e6f-4385-819a-bb0683703cf7-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.nninc.com/role/CoverPage" xlink:type="simple" xlink:href="nnbr-20211104.xsd#CoverPage"/>
  <link:presentationLink xlink:role="http://www.nninc.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_306de32f-2b53-41fe-ae75-eb66095a9dcb" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityRegistrantName_306de32f-2b53-41fe-ae75-eb66095a9dcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_37df3a6a-3a2d-4559-bbb3-512450411738" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentType"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_DocumentType_37df3a6a-3a2d-4559-bbb3-512450411738" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_6566d85c-4f2b-4bc1-a60d-c28289a4506c" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_DocumentPeriodEndDate_6566d85c-4f2b-4bc1-a60d-c28289a4506c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_cc89cb42-8510-4ee9-8336-569ec6de76a2" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_AmendmentFlag_cc89cb42-8510-4ee9-8336-569ec6de76a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_2f689a38-5093-4104-bc2d-56b92e0e26e5" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityCentralIndexKey_2f689a38-5093-4104-bc2d-56b92e0e26e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_0155c655-e6cd-4601-a1c4-b822569e4b80" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityIncorporationStateCountryCode_0155c655-e6cd-4601-a1c4-b822569e4b80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_12fed326-3d71-4bd1-b754-2baacb9d34ae" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityFileNumber_12fed326-3d71-4bd1-b754-2baacb9d34ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_8dea1a57-3b92-4cad-9ca1-704cc8c9e116" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityTaxIdentificationNumber_8dea1a57-3b92-4cad-9ca1-704cc8c9e116" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_0a1a7d2a-cc0c-4831-a919-a784a9588269" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityAddressAddressLine1_0a1a7d2a-cc0c-4831-a919-a784a9588269" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_b4521a0e-d63a-438a-a540-87853acfa596" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityAddressCityOrTown_b4521a0e-d63a-438a-a540-87853acfa596" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_3d20c886-b64b-4f18-bb50-b8a5c5d264c2" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityAddressStateOrProvince_3d20c886-b64b-4f18-bb50-b8a5c5d264c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_870236c7-15bf-42d8-a8f4-7163f0749cec" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityAddressPostalZipCode_870236c7-15bf-42d8-a8f4-7163f0749cec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_090188f0-5399-4ef6-bdf8-0dcd8b0e3536" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_CityAreaCode_090188f0-5399-4ef6-bdf8-0dcd8b0e3536" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_0bf98942-b805-4123-b6ba-86ba801652bc" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_LocalPhoneNumber_0bf98942-b805-4123-b6ba-86ba801652bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_19b3e45c-a6a9-40ea-95d5-b8fdcf1f2c85" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_WrittenCommunications_19b3e45c-a6a9-40ea-95d5-b8fdcf1f2c85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_245e1b54-68b7-499c-8b98-f229b86f8a8a" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_SolicitingMaterial_245e1b54-68b7-499c-8b98-f229b86f8a8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_32f0b8c5-9216-417c-8796-b62a55af01e3" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_PreCommencementTenderOffer_32f0b8c5-9216-417c-8796-b62a55af01e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_6d394d3f-6c05-46d2-9191-5dc7c69fff59" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_6d394d3f-6c05-46d2-9191-5dc7c69fff59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_40bbaeb5-da68-41ba-83f0-7c742513f196" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_Security12bTitle_40bbaeb5-da68-41ba-83f0-7c742513f196" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_c855ec95-c6fb-48a7-b0a2-a8779cbed197" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_TradingSymbol_c855ec95-c6fb-48a7-b0a2-a8779cbed197" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_5e4baf69-d415-4329-8686-c038f8a6fad5" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_SecurityExchangeName_5e4baf69-d415-4329-8686-c038f8a6fad5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_16be2846-2366-441e-a770-af3f383e3f71" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_ada34129-1dd9-43a5-9a88-2ad790a1a4db" xlink:to="loc_dei_EntityEmergingGrowthCompany_16be2846-2366-441e-a770-af3f383e3f71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
