TIMKEN CO (Form: 3, Received: 05/10/2019 15:30:26)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*
Landin Bo Hans Olof
2. Date of Event Requiring Statement (MM/DD/YYYY) 5/10/2019
3. Issuer Name and Ticker or Trading Symbol
TIMKEN CO [TKR]

(Last)        (First)        (Middle)
4500 MOUNT PLEASANT ST. NW
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)
_____ Director                            _____ 10% Owner
___ X ___ Officer (give title below)          _____ Other (specify below)
Group Vice President /

(Street)
NORTH CANTON, OH 44720

(City)              (State)              (Zip) 5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)
_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security
(Instr. 4) 2. Amount of Securities Beneficially Owned
(Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5) 4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Common Stock 25160 ⁽¹⁾ D

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

1. Title of Derivate Security
(Instr. 4) 2. Date Exercisable and Expiration Date
(MM/DD/YYYY) 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5) 6. Nature of Indirect Beneficial Ownership
(Instr. 5)

Date Exercisable Expiration Date Title Amount or Number of Shares

Employee Stock Option (right to buy) 2/9/2013 ⁽²⁾ 2/9/2022 Common Stock 2380.0 $37.31 D

Employee Stock Option (right to buy) 2/7/2014 ⁽²⁾ 2/7/2023 Common Stock 3600.0 $40.56 D

Employee Stock Option (right to buy) 2/13/2015 ⁽²⁾ 2/13/2024 Common Stock 3200.0 $41.15 D

Employee Stock Option (right to buy) 2/12/2016 ⁽²⁾ 2/12/2025 Common Stock 4925.0 $41.79 D

Employee Stock Option (right to buy) 2/11/2017 ⁽²⁾ 2/11/2026 Common Stock 8125.0 $27.75 D

Employee Stock Option (right to buy) 2/13/2018 ⁽²⁾ 2/13/2027 Common Stock 5375.0 $45.35 D

Employee Stock Option (right to buy) 2/12/2019 ⁽²⁾ 2/12/2028 Common Stock 7925.0 $44.65 D

Employee Stock Option (right to buy) 2/12/2020 ⁽²⁾ 2/12/2029 Common Stock 8525.0 $42.6 D

Restricted Share Unit ⁽³⁾ 2/11/2020 Common Stock 319.0 $0.0 D

Restricted Share Unit ⁽⁴⁾ 2/13/2021 Common Stock 425.0 $0.0 D

Restricted Share Unit ⁽⁵⁾ 2/12/2022 Common Stock 919.0 $0.0 D

Restricted Share Unit ⁽⁶⁾ 2/12/2023 Common Stock 1300.0 $0.0 D

Restricted Share Unit ⁽⁷⁾ 12/31/2019 Common Stock 2100.0 $0.0 D

Restricted Share Unit ⁽⁸⁾ 12/31/2020 Common Stock 3050.0 $0.0 D

Restricted Share Unit ⁽⁹⁾ 12/31/2021 Common Stock 3200.0 $0.0 D

Explanation of Responses:

(1) Includes June 1, 2017 grant of 10,000 restricted shares, subject to forfeiture under certain circumstances, that vest 100% on June 1, 2022.

(2) The options became exercisable in annual 25% increments from the date of grant.

(3) Remaining restricted share units from February 11, 2016 grant of 1,275 time based restricted share units that vest 25% per year.

(4) Remaining restricted share units from February 13, 2017 grant of 850 time based restricted share units that vest 25% per year.

(5) Remaining restricted share units from February 12, 2018 grant of 1,225 time based restricted share units that vest 25% per year.

(6) February 12, 2019 grant of 1,300 time based restricted share units that vest 25% per year.

(7) Performance based restricted share units subject to certain performance criteria between January 1, 2017 and December 31, 2019.

(8) Performance based restricted share units subject to certain performance criteria between January 1, 2018 and December 31, 2020.

(9) Performance based restricted share units subject to certain performance criteria between January 1, 2019 and December 31, 2021.

Reporting Owners

Reporting Owner Name / Address Relationships

Director 10% Owner Officer Other

Landin Bo Hans Olof
4500 MOUNT PLEASANT ST. NW
NORTH CANTON, OH 44720

Group Vice President

Signatures

/s/ Hans Landin 5/10/2019

^** Signature of Reporting Person Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 5(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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table I - Non-Derivative Securities Beneficially Owned
Common Stock	25160 ⁽¹⁾	D

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
Employee Stock Option (right to buy)	2/9/2013 ⁽²⁾	2/9/2022	Common Stock	2380.0	$37.31	D
Employee Stock Option (right to buy)	2/7/2014 ⁽²⁾	2/7/2023	Common Stock	3600.0	$40.56	D
Employee Stock Option (right to buy)	2/13/2015 ⁽²⁾	2/13/2024	Common Stock	3200.0	$41.15	D
Employee Stock Option (right to buy)	2/12/2016 ⁽²⁾	2/12/2025	Common Stock	4925.0	$41.79	D
Employee Stock Option (right to buy)	2/11/2017 ⁽²⁾	2/11/2026	Common Stock	8125.0	$27.75	D
Employee Stock Option (right to buy)	2/13/2018 ⁽²⁾	2/13/2027	Common Stock	5375.0	$45.35	D
Employee Stock Option (right to buy)	2/12/2019 ⁽²⁾	2/12/2028	Common Stock	7925.0	$44.65	D
Employee Stock Option (right to buy)	2/12/2020 ⁽²⁾	2/12/2029	Common Stock	8525.0	$42.6	D
Restricted Share Unit	⁽³⁾	2/11/2020	Common Stock	319.0	$0.0	D
Restricted Share Unit	⁽⁴⁾	2/13/2021	Common Stock	425.0	$0.0	D
Restricted Share Unit	⁽⁵⁾	2/12/2022	Common Stock	919.0	$0.0	D
Restricted Share Unit	⁽⁶⁾	2/12/2023	Common Stock	1300.0	$0.0	D
Restricted Share Unit	⁽⁷⁾	12/31/2019	Common Stock	2100.0	$0.0	D
Restricted Share Unit	⁽⁸⁾	12/31/2020	Common Stock	3050.0	$0.0	D
Restricted Share Unit	⁽⁹⁾	12/31/2021	Common Stock	3200.0	$0.0	D

POWER OF ATTORNEY


I, Bo Hans Olof Landin, an officer of The Timken Company, hereby constitute and appoint Hansal N. Patel, Christine M. Przybysz and John-Alex Shoaff, each of them, my true and lawful attorney or attorneys-in-fact, with full power of substitution and re-substitution, for me and in my name, place and stead, to sign on my behalf any Forms 3, 4, 5 or 144 required pursuant to the Securities Act of 1933 or the Securities Exchange Act of 1934, and to sign any and all amendments to such Forms 3, 4, 5 or 144, and to file the same with the Securities and Exchange Commission, granting unto said attorney or attorneys-in-fact, and each of them, full power and authority to do and perform each and every act and thing whatsoever that any of said attorney or attorneys-in-fact or any of them or their substitutes, may deem necessary or desirable, in his/her or their sole discretion, with any such act or thing being hereby ratified and approved in all respects without any further act or deed whatsoever.


Executed this 22nd day of April, 2019 by the undersigned.



                            /s/ Bo Hans Olof Landin
                            Bo Hans Olof Landin

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	25160 ⁽¹⁾	D

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Option (right to buy)	2/9/2013 ⁽²⁾	2/9/2022	Common Stock	2380.0	$37.31	D
Employee Stock Option (right to buy)	2/7/2014 ⁽²⁾	2/7/2023	Common Stock	3600.0	$40.56	D
Employee Stock Option (right to buy)	2/13/2015 ⁽²⁾	2/13/2024	Common Stock	3200.0	$41.15	D
Employee Stock Option (right to buy)	2/12/2016 ⁽²⁾	2/12/2025	Common Stock	4925.0	$41.79	D
Employee Stock Option (right to buy)	2/11/2017 ⁽²⁾	2/11/2026	Common Stock	8125.0	$27.75	D
Employee Stock Option (right to buy)	2/13/2018 ⁽²⁾	2/13/2027	Common Stock	5375.0	$45.35	D
Employee Stock Option (right to buy)	2/12/2019 ⁽²⁾	2/12/2028	Common Stock	7925.0	$44.65	D
Employee Stock Option (right to buy)	2/12/2020 ⁽²⁾	2/12/2029	Common Stock	8525.0	$42.6	D
Restricted Share Unit	⁽³⁾	2/11/2020	Common Stock	319.0	$0.0	D
Restricted Share Unit	⁽⁴⁾	2/13/2021	Common Stock	425.0	$0.0	D
Restricted Share Unit	⁽⁵⁾	2/12/2022	Common Stock	919.0	$0.0	D
Restricted Share Unit	⁽⁶⁾	2/12/2023	Common Stock	1300.0	$0.0	D
Restricted Share Unit	⁽⁷⁾	12/31/2019	Common Stock	2100.0	$0.0	D
Restricted Share Unit	⁽⁸⁾	12/31/2020	Common Stock	3050.0	$0.0	D
Restricted Share Unit	⁽⁹⁾	12/31/2021	Common Stock	3200.0	$0.0	D

Explanation of Responses:
(1)	Includes June 1, 2017 grant of 10,000 restricted shares, subject to forfeiture under certain circumstances, that vest 100% on June 1, 2022.
(2)	The options became exercisable in annual 25% increments from the date of grant.
(3)	Remaining restricted share units from February 11, 2016 grant of 1,275 time based restricted share units that vest 25% per year.
(4)	Remaining restricted share units from February 13, 2017 grant of 850 time based restricted share units that vest 25% per year.
(5)	Remaining restricted share units from February 12, 2018 grant of 1,225 time based restricted share units that vest 25% per year.
(6)	February 12, 2019 grant of 1,300 time based restricted share units that vest 25% per year.
(7)	Performance based restricted share units subject to certain performance criteria between January 1, 2017 and December 31, 2019.
(8)	Performance based restricted share units subject to certain performance criteria between January 1, 2018 and December 31, 2020.
(9)	Performance based restricted share units subject to certain performance criteria between January 1, 2019 and December 31, 2021.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Landin Bo Hans Olof 4500 MOUNT PLEASANT ST. NW NORTH CANTON, OH 44720			Group Vice President

Signatures
/s/ Hans Landin		5/10/2019
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.