<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEET AND CONSOLIDATED STATEMENTS OF INCOME AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000060751
<NAME> THE LUBRIZOL CORPORATION
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                         185,465
<SECURITIES>                                         0
<RECEIVABLES>                                  277,109
<ALLOWANCES>                                     4,055
<INVENTORY>                                    258,149
<CURRENT-ASSETS>                               780,442
<PP&E>                                       1,598,264
<DEPRECIATION>                                 927,752
<TOTAL-ASSETS>                               1,682,354
<CURRENT-LIABILITIES>                          311,300
<BONDS>                                        365,372
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        85,984
<OTHER-SE>                                     704,140
<TOTAL-LIABILITY-AND-EQUITY>                 1,682,354
<SALES>                                      1,743,541
<TOTAL-REVENUES>                             1,748,003
<CGS>                                        1,194,945
<TOTAL-COSTS>                                1,194,945
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                 1,176
<INTEREST-EXPENSE>                              29,696
<INCOME-PRETAX>                                195,350
<INCOME-TAX>                                    72,358
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   122,992
<EPS-BASIC>                                       2.25
<EPS-DILUTED>                                     2.25