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  <xs:element id="gww_ManufacturingMember" abstract="true" name="ManufacturingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_UnsecuredSeniorNotes3.75Member" abstract="true" name="UnsecuredSeniorNotes3.75Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_CommercialMember" abstract="true" name="CommercialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetFairValue" abstract="false" name="DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNetFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gww_UnsecuredSeniorNotes4.60Member" abstract="true" name="UnsecuredSeniorNotes4.60Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_LongTermDebtExcludingCurrentMaturitiesFairValueDisclosure" abstract="false" name="LongTermDebtExcludingCurrentMaturitiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gww_HealthcareCustomerMember" abstract="true" name="HealthcareCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_RevenueFromContractWithCustomerExcludingAssessedTaxPercentageOfCompanyWideRevenue" abstract="false" name="RevenueFromContractWithCustomerExcludingAssessedTaxPercentageOfCompanyWideRevenue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="gww_FurnitureFixturesMachineryandEquipmentMember" abstract="true" name="FurnitureFixturesMachineryandEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_WholesaleMember" abstract="true" name="WholesaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_TermLoanAgreement005Member" abstract="true" name="TermLoanAgreement005Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_OtherLongTermDebtFairValueDisclosure" abstract="false" name="OtherLongTermDebtFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gww_RevenueFromContractWithCustomerExcludingAssessedTaxPercentage" abstract="false" name="RevenueFromContractWithCustomerExcludingAssessedTaxPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="gww_ContractWithCustomerSalesIncentiveLiability" abstract="false" name="ContractWithCustomerSalesIncentiveLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gww_A2023CreditFacilityMember" abstract="true" name="A2023CreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gww_GovernmentCustomerMember" abstract="true" name="GovernmentCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_EndlessAssortmentMember" abstract="true" name="EndlessAssortmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="gww_YenDenominatedBankTermLoanMember" abstract="true" name="YenDenominatedBankTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>
