FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Coughlin Christopher A   2. Issuer Name and Ticker or Trading Symbol TIMKEN CO [TKR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP & Group President (Last) (First) (Middle) 4500 MT. PLEASANT ST. NW 3. Date of Earliest Transaction (Month/Day/Year) 02/11/2017 (Street) NORTH CANTON, OH 44720 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock (1) 02/11/2017   A   2,243 A $ 0 55,701 (2) D   Common Stock 02/11/2017   F   788 D $ 45.2 54,913 D   Common Stock (3) 02/12/2017   A   1,600 A $ 0 56,513 D   Common Stock 02/12/2017   F   483 D $ 45.2 56,030 D   Common Stock               18,199 I 401(k)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Share Unit

$ 0

02/13/2017

A

5,750

(4)

02/13/2021

Common Stock

5,750

$ 0

5,750

D

Restricted Share Unit

$ 0

02/13/2017

A

14,350

(5)

12/31/2019

Common Stock

14,350

$ 0

14,350

D

Employee Stock Option (right to buy)

$ 45.35

02/13/2017

A

36,825

02/13/2018(6)

02/13/2027

Common Stock

36,825

$ 0

36,825

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Coughlin Christopher A 4500 MT. PLEASANT ST. NW NORTH CANTON, OH 44720			EVP & Group President

Signatures

/s/ Hansal N. Patel - Attorney in Fact		02/14/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents vesting of 25% of the restricted share units granted on February 11, 2016.
(2)	Includes 845 shares earned through dividend reinvestment during 2016.
(3)	Represents vesting of 25% of the restricted share units granted on February 12, 2015.
(4)	Grant of 5,750 time-based restricted share units that vest 25% per year.
(5)	Grant of 14,350 performance-based restricted share units subject to certain performance criteria between January 1, 2017 and December 31, 2019.
(6)	These options will become exercisable in annual 25% increments beginning on February 13, 2018.

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