Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-100731) of The Timken Company of our report dated January 28, 2003 relating to the combined financial statements of the Ingersoll-Rand Engineered Solutions Business, an operating business unit of Ingersoll-Rand Company Limited, which appears in the Current Report on Form 8-K of The Timken Company dated February 7, 2003. /s/ PricewaterhouseCoopers LLP Hartford, Connecticut February 5, 2003