☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from______to_______ Commission file number: 1-1169 THE TIMKEN COMPANY (Exact name of registrant as specified in its charter) Ohio 34-0577130 (State or other jurisdiction of incorporation or organization) 4500 Mount Pleasant Street NW North Canton Ohio 44720-545 ...