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    <link:label id="lab_us-gaap_DeferredIncomeTaxesAndTaxCredits_3C4D9CF720523902F6AA9A73E85F55C9_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxesAndTaxCredits_3C4D9CF720523902F6AA9A73E85F55C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income taxes</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxesAndTaxCredits_3C4D9CF720523902F6AA9A73E85F55C9_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxesAndTaxCredits_3C4D9CF720523902F6AA9A73E85F55C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Income Taxes and Tax Credits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_3C4D9CF720523902F6AA9A73E85F55C9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_42EF14180FDF718F88C59A73E85F42EA_terseLabel_en-US" xlink:label="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_42EF14180FDF718F88C59A73E85F42EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_42EF14180FDF718F88C59A73E85F42EA_label_en-US" xlink:label="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_42EF14180FDF718F88C59A73E85F42EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Activities, Cash Flow Statement</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_42EF14180FDF718F88C59A73E85F42EA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_42EF14180FDF718F88C59A73E85F42EA" xlink:to="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_42EF14180FDF718F88C59A73E85F42EA" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4637A9D80BFC17118D269A73E85F902A_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4637A9D80BFC17118D269A73E85F902A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in operating assets and liabilities, net of acquisitions:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4637A9D80BFC17118D269A73E85F902A_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4637A9D80BFC17118D269A73E85F902A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4637A9D80BFC17118D269A73E85F902A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4637A9D80BFC17118D269A73E85F902A" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_4637A9D80BFC17118D269A73E85F902A" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_427486588E84103160229A73E85FD1BD_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_427486588E84103160229A73E85FD1BD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_427486588E84103160229A73E85FD1BD_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_427486588E84103160229A73E85FD1BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_427486588E84103160229A73E85FD1BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_427486588E84103160229A73E85FD1BD" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_427486588E84103160229A73E85FD1BD" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_BC33561591ED44320F939A73E86007D0_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_BC33561591ED44320F939A73E86007D0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_BC33561591ED44320F939A73E86007D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInventories_BC33561591ED44320F939A73E86007D0" xlink:to="lab_us-gaap_IncreaseDecreaseInInventories_BC33561591ED44320F939A73E86007D0" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_D81AA6A090624CDD6D469A73E860A2DF_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_D81AA6A090624CDD6D469A73E860A2DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_D81AA6A090624CDD6D469A73E860A2DF_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_D81AA6A090624CDD6D469A73E860A2DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_D81AA6A090624CDD6D469A73E860A2DF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayable_D81AA6A090624CDD6D469A73E860A2DF" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayable_D81AA6A090624CDD6D469A73E860A2DF" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_7C5141385400D7DD451D9A73E860D76E_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_7C5141385400D7DD451D9A73E860D76E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income taxes receivable and payable, net</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_7C5141385400D7DD451D9A73E860D76E_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_7C5141385400D7DD451D9A73E860D76E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Income Taxes Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_7C5141385400D7DD451D9A73E860D76E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_7C5141385400D7DD451D9A73E860D76E" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_7C5141385400D7DD451D9A73E860D76E" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_06D27B0968E534E1E6EB9A73E86027B1_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_06D27B0968E534E1E6EB9A73E86027B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_06D27B0968E534E1E6EB9A73E86027B1_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_06D27B0968E534E1E6EB9A73E86027B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_06D27B0968E534E1E6EB9A73E86027B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_06D27B0968E534E1E6EB9A73E86027B1" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_06D27B0968E534E1E6EB9A73E86027B1" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4A0B8A6BE09F05B235DF9A73E861536A_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4A0B8A6BE09F05B235DF9A73E861536A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4A0B8A6BE09F05B235DF9A73E861536A_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4A0B8A6BE09F05B235DF9A73E861536A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_4A0B8A6BE09F05B235DF9A73E861536A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_4A0B8A6BE09F05B235DF9A73E861536A" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4A0B8A6BE09F05B235DF9A73E861536A" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FC0CF9FA0B429AAFC9CA9A73E8613D73_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FC0CF9FA0B429AAFC9CA9A73E8613D73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FC0CF9FA0B429AAFC9CA9A73E8613D73_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FC0CF9FA0B429AAFC9CA9A73E8613D73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FC0CF9FA0B429AAFC9CA9A73E8613D73" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FC0CF9FA0B429AAFC9CA9A73E8613D73" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_FC0CF9FA0B429AAFC9CA9A73E8613D73" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_D71322937367F2E1F69D9A73E861FCE3_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_D71322937367F2E1F69D9A73E861FCE3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of property, plant and equipment</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_D71322937367F2E1F69D9A73E861FCE3_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_D71322937367F2E1F69D9A73E861FCE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_D71322937367F2E1F69D9A73E861FCE3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_D71322937367F2E1F69D9A73E861FCE3" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_D71322937367F2E1F69D9A73E861FCE3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleOfShortTermInvestments_CA1338EE6020F43073799A73E861E4E3_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfShortTermInvestments_CA1338EE6020F43073799A73E861E4E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from liquidation of short-term investment</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfShortTermInvestments_CA1338EE6020F43073799A73E861E4E3_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfShortTermInvestments_CA1338EE6020F43073799A73E861E4E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Short-term Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_CA1338EE6020F43073799A73E861E4E3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_CA1338EE6020F43073799A73E861E4E3" xlink:to="lab_us-gaap_ProceedsFromSaleOfShortTermInvestments_CA1338EE6020F43073799A73E861E4E3" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_71301529C61585E9AC559A73E861051D_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_71301529C61585E9AC559A73E861051D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Cash paid to acquire businesses, net of cash received</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_71301529C61585E9AC559A73E861051D_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_71301529C61585E9AC559A73E861051D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_71301529C61585E9AC559A73E861051D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsForProceedsFromShortTermInvestments_C4A2CACC9C2BBCA4AA909A73E861337F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromShortTermInvestments_C4A2CACC9C2BBCA4AA909A73E861337F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for earnest money for Paragon Medical acquisition</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_E050C3785A6A1AE667CA9A73E86214F7_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_E050C3785A6A1AE667CA9A73E86214F7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used by investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_E050C3785A6A1AE667CA9A73E86214F7_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_E050C3785A6A1AE667CA9A73E86214F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_75EB4949715331EB39789A73E862EB7C_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_75EB4949715331EB39789A73E862EB7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_75EB4949715331EB39789A73E862EB7C_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_75EB4949715331EB39789A73E862EB7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
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    <link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_88E25158A496CE57EB9A9A73E862685A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_88E25158A496CE57EB9A9A73E862685A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for debt issuance or prepayment costs</link:label>
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    <link:label id="lab_us-gaap_PaymentsOfDividends_C84AD2C356B1671260CE9A73E863E901_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_C84AD2C356B1671260CE9A73E863E901" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Dividends paid</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_B015F35786DA3EDB878E9A73E8636349_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_B015F35786DA3EDB878E9A73E8636349" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from long-term debt</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_F4E3758325A28966EDD09A73E863021A_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_F4E3758325A28966EDD09A73E863021A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_F4E3758325A28966EDD09A73E863021A_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_F4E3758325A28966EDD09A73E863021A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from (Payments for) Other Financing Activities</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_B6D5E2C6BC5130F403F89A73E863FFB9_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_B6D5E2C6BC5130F403F89A73E863FFB9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used by) financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_B6D5E2C6BC5130F403F89A73E863FFB9_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_B6D5E2C6BC5130F403F89A73E863FFB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
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    <link:label id="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_098DA26E2A5261F1EF609A73E864A02A_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_098DA26E2A5261F1EF609A73E864A02A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of exchange rate changes on cash flows</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_3C13E25F4BF2E76076E797E8827C5E9B_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_3C13E25F4BF2E76076E797E8827C5E9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal available</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_3C13E25F4BF2E76076E797E8827C5E9B_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_3C13E25F4BF2E76076E797E8827C5E9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_3C13E25F4BF2E76076E797E8827C5E9B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LoansPayable_DF87AEE306B212E92C7A97E8827C2048_terseLabel_en-US" xlink:label="lab_us-gaap_LoansPayable_DF87AEE306B212E92C7A97E8827C2048" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior debt</link:label>
    <link:label id="lab_us-gaap_LoansPayable_DF87AEE306B212E92C7A97E8827C2048_label_en-US" xlink:label="lab_us-gaap_LoansPayable_DF87AEE306B212E92C7A97E8827C2048" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansPayable" xlink:label="loc_us-gaap_LoansPayable_DF87AEE306B212E92C7A97E8827C2048" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_911502DD54C643A6DF4897E8827DA40F_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_911502DD54C643A6DF4897E8827DA40F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments of debt issuance costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_911502DD54C643A6DF4897E8827DA40F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_1C844F3DD217DA4535D997E8827DFB72_verboseLabel_en-US" xlink:label="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_1C844F3DD217DA4535D997E8827DFB72" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Write off of deferred debt issuance cost</link:label>
    <link:label id="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_1C844F3DD217DA4535D997E8827DFB72_label_en-US" xlink:label="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_1C844F3DD217DA4535D997E8827DFB72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write off of Deferred Debt Issuance Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:label="loc_us-gaap_WriteOffOfDeferredDebtIssuanceCost_1C844F3DD217DA4535D997E8827DFB72" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeFixedInterestRate_70DDB0E2A453072345F897E8827D4E04_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFixedInterestRate_70DDB0E2A453072345F897E8827D4E04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, fixed interest rate</link:label>
    <link:label id="lab_us-gaap_DerivativeFixedInterestRate_70DDB0E2A453072345F897E8827D4E04_label_en-US" xlink:label="lab_us-gaap_DerivativeFixedInterestRate_70DDB0E2A453072345F897E8827D4E04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Fixed Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeFixedInterestRate" xlink:label="loc_us-gaap_DerivativeFixedInterestRate_70DDB0E2A453072345F897E8827D4E04" xlink:type="locator" />
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    <link:label id="lab_us-gaap_StatementGeographicalAxis_995E7D5D9F01D6779E06E5D61507527D_terseLabel_en-US" xlink:label="lab_us-gaap_StatementGeographicalAxis_0AA35E29771E566B9BE72BD0FE30FD14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementGeographicalAxis_995E7D5D9F01D6779E06E5D61507527D_label_en-US" xlink:label="lab_us-gaap_StatementGeographicalAxis_0AA35E29771E566B9BE72BD0FE30FD14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_0AA35E29771E566B9BE72BD0FE30FD14" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SegmentGeographicalDomain_0126287FB1875037ADCFE5D61507A02C_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentGeographicalDomain_8FB6E8C94E1F55D3952052E33FDC3518" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentGeographicalDomain_0126287FB1875037ADCFE5D61507A02C_label_en-US" xlink:label="lab_us-gaap_SegmentGeographicalDomain_8FB6E8C94E1F55D3952052E33FDC3518" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_8FB6E8C94E1F55D3952052E33FDC3518" xlink:type="locator" />
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    <link:label id="lab_country_CN_C4209D28B832BD366C06E5D615078814_terseLabel_en-US" xlink:label="lab_country_CN_372B792720D4584DB91C1DA0E3836C89" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chinese</link:label>
    <link:label id="lab_country_CN_C4209D28B832BD366C06E5D615078814_label_en-US" xlink:label="lab_country_CN_372B792720D4584DB91C1DA0E3836C89" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CHINA</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_CN" xlink:label="loc_country_CN_372B792720D4584DB91C1DA0E3836C89" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCredit_5CB6AA83342C16405CAFE5D615080502_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_DE733BDB57585B1A87C4967C44932FA3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">International lines of credit and other loans</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_5CB6AA83342C16405CAFE5D615080502_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_DE733BDB57585B1A87C4967C44932FA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_DE733BDB57585B1A87C4967C44932FA3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebt_227A8BE3A051BCAA16C5E5D615082CC6_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_E3CEB15E15D258F795EB3811A4DEBEF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_LongTermDebt_227A8BE3A051BCAA16C5E5D615082CC6_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_E3CEB15E15D258F795EB3811A4DEBEF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_E3CEB15E15D258F795EB3811A4DEBEF2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebtCurrent_A8ED2159E5A46D705F6EE5D615083928_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_6A1CD8485D48597C9B9D9655D67BB3FD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Less current maturities of long-term debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebtCurrent_A8ED2159E5A46D705F6EE5D615083928_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_6A1CD8485D48597C9B9D9655D67BB3FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Current Maturities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_6A1CD8485D48597C9B9D9655D67BB3FD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_81A937B0FF2F861317A1E5D615096C49_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_4F3F7EAE560E5292B21D9E56A47E0213" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal, net of current portion</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_81A937B0FF2F861317A1E5D615096C49_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_4F3F7EAE560E5292B21D9E56A47E0213" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_4F3F7EAE560E5292B21D9E56A47E0213" xlink:type="locator" />
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    <link:label id="lab_us-gaap_UnamortizedDebtIssuanceExpense_D7E2063BD510616588ACE5D61509F9F1_terseLabel_en-US" xlink:label="lab_us-gaap_UnamortizedDebtIssuanceExpense_EADEFB6E303D53A1BA1C9AC61D899B43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less unamortized debt issuance costs</link:label>
    <link:label id="lab_us-gaap_UnamortizedDebtIssuanceExpense_D7E2063BD510616588ACE5D61509F9F1_label_en-US" xlink:label="lab_us-gaap_UnamortizedDebtIssuanceExpense_EADEFB6E303D53A1BA1C9AC61D899B43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unamortized Debt Issuance Expense</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_6553C9874DCB77329F03E5D61509FA92_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_6752A93D90055C26B1F7FBBF1494B342" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Long-term debt, net of current portion</link:label>
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_6553C9874DCB77329F03E5D61509FA92_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_6752A93D90055C26B1F7FBBF1494B342" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
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    <link:label id="lab_nnbr_CashFlowLesseeAbstract_0EAC0936E15C658C0ACB74C61E43D9A9_terseLabel_en-US" xlink:label="lab_nnbr_CashFlowLesseeAbstract_0EAC0936E15C658C0ACB74C61E43D9A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for amounts included in the measurement of lease liabilities</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasePayments_C02B908F696CD58BEC7774C61E43EB5D_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasePayments_C02B908F696CD58BEC7774C61E43EB5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating cash flows from finance leases</link:label>
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    <link:label id="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_6909873AA39E6756D5B274C61E448A92_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_6909873AA39E6756D5B274C61E448A92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating cash flows from operating leases</link:label>
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    <link:label id="lab_us-gaap_FinanceLeasePrincipalPayments_4CD802D1E6BA2DC2224574C61E4474C3_label_en-US" xlink:label="lab_us-gaap_FinanceLeasePrincipalPayments_4CD802D1E6BA2DC2224574C61E4474C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Lease, Principal Payments</link:label>
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    <link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_D3230898AB3F274D121A74C61E44DC89_terseLabel_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_D3230898AB3F274D121A74C61E44DC89" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right-of-use assets obtained in exchange for new operating lease liabilities</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_D3230898AB3F274D121A74C61E44DC89" xlink:to="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_D3230898AB3F274D121A74C61E44DC89" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfGoodwillTable_F2F7F453513483C926E397E73C7434B4_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_F2F7F453513483C926E397E73C7434B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Goodwill [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfGoodwillTable_F2F7F453513483C926E397E73C7434B4_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_F2F7F453513483C926E397E73C7434B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Goodwill [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_F2F7F453513483C926E397E73C7434B4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_79EA38A3D89BFE8D92B797E73C7A0B3D_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_79EA38A3D89BFE8D92B797E73C7A0B3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_79EA38A3D89BFE8D92B797E73C7A0B3D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_79EA38A3D89BFE8D92B797E73C7A0B3D" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_79EA38A3D89BFE8D92B797E73C7A0B3D" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentDomain_BB5FFFD2655F982DA99697E73C7B62BE_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_BB5FFFD2655F982DA99697E73C7B62BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentDomain_BB5FFFD2655F982DA99697E73C7B62BE_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_BB5FFFD2655F982DA99697E73C7B62BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_BB5FFFD2655F982DA99697E73C7B62BE" xlink:type="locator" />
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    <link:label id="lab_nnbr_PowerSolutionsMember_7DD0B5F343A4CE63849397E73C7B4A17_terseLabel_en-US" xlink:label="lab_nnbr_PowerSolutionsMember_7DD0B5F343A4CE63849397E73C7B4A17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Power Solutions</link:label>
    <link:label id="lab_nnbr_PowerSolutionsMember_7DD0B5F343A4CE63849397E73C7B4A17_label_en-US" xlink:label="lab_nnbr_PowerSolutionsMember_7DD0B5F343A4CE63849397E73C7B4A17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Power Solutions [Member]</link:label>
    <link:label id="lab_nnbr_PowerSolutionsMember_7DD0B5F343A4CE63849397E73C7B4A17_documentation_en-US" xlink:label="lab_nnbr_PowerSolutionsMember_7DD0B5F343A4CE63849397E73C7B4A17" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Power solutions.</link:label>
    <link:loc xlink:href="nnbr-20190331.xsd#nnbr_PowerSolutionsMember" xlink:label="loc_nnbr_PowerSolutionsMember_7DD0B5F343A4CE63849397E73C7B4A17" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GoodwillLineItems_6B19F9C595E484D8AC1697E73C7CEA9B_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_6B19F9C595E484D8AC1697E73C7CEA9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill [Line Items]</link:label>
    <link:label id="lab_us-gaap_GoodwillLineItems_6B19F9C595E484D8AC1697E73C7CEA9B_label_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_6B19F9C595E484D8AC1697E73C7CEA9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_6B19F9C595E484D8AC1697E73C7CEA9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillLineItems_6B19F9C595E484D8AC1697E73C7CEA9B" xlink:to="lab_us-gaap_GoodwillLineItems_6B19F9C595E484D8AC1697E73C7CEA9B" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillImpairmentLoss_BA34FD0C4D409B78668E97E73C7C7824_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_BA34FD0C4D409B78668E97E73C7C7824" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill, impairment loss</link:label>
    <link:label id="lab_us-gaap_GoodwillImpairmentLoss_BA34FD0C4D409B78668E97E73C7C7824_label_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_BA34FD0C4D409B78668E97E73C7C7824" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Impairment Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_BA34FD0C4D409B78668E97E73C7C7824" xlink:type="locator" />
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    <link:label id="lab_us-gaap_Goodwill_2520021E60CF9F91D59597E73C7D80AB_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_2520021E60CF9F91D59597E73C7D80AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_us-gaap_Goodwill_2520021E60CF9F91D59597E73C7D80AB_label_en-US" xlink:label="lab_us-gaap_Goodwill_2520021E60CF9F91D59597E73C7D80AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_2520021E60CF9F91D59597E73C7D80AB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncomeStatementAbstract_823E43261F658E0E0F339FF122390FA6_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_823E43261F658E0E0F339FF122390FA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_823E43261F658E0E0F339FF122390FA6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_835077244CAAC223F1869FF122390BB7_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_835077244CAAC223F1869FF122390BB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales</link:label>
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    <link:label id="lab_us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization_91F12B7568093E0BE7AC9FF12239259B_verboseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization_91F12B7568093E0BE7AC9FF12239259B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cost of sales (exclusive of depreciation and amortization shown separately below)</link:label>
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