TIMKEN CO - Director's Dealing 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TIMKEN CO (TKR)
CIK: 0000098362
Period of Report: 2010-08-04

Reporting Person: Mihaila John Theodore (Senior VP & Controller)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-04	Common Stock	M	750	$25.21	Acquired	12707	Direct
2010-08-04	Common Stock	S	683	$35.00	Disposed	12024	Direct
2010-08-04	Common Stock	F	67	$35.00	Disposed	11957	Direct
2010-08-04	Common Stock	M	3000	$30.93	Acquired	14957	Direct
2010-08-04	Common Stock	S	2889	$35.03	Disposed	12068	Direct
2010-08-04	Common Stock	F	111	$35.00	Disposed	11957	Direct
2010-08-04	Common Stock	M	9000	$29.23	Acquired	20957	Direct
2010-08-04	Common Stock	S	8522	$35.08	Disposed	12435	Direct
2010-08-04	Common Stock	F	478	$35.06	Disposed	11957	Direct
2010-08-04	Common Stock	M	3750	$30.70	Acquired	15707	Direct
2010-08-04	Common Stock	S	3602	$35.03	Disposed	12105	Direct
2010-08-04	Common Stock	F	148	$35.06	Disposed	11957	Direct
2010-08-04	Common Stock	M	2425	$14.74	Acquired	14382	Direct
2010-08-04	Common Stock	S	1976	$34.98	Disposed	12406	Direct
2010-08-04	Common Stock	F	449	$35.06	Disposed	11957	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-08-04	Employee Stock Option (right to buy)	$25.21	M	750	Disposed	2015-01-31	Common Stock (750)	Direct
2010-08-04	Employee Stock Option (right to buy)	$30.93	M	3000	Disposed	2016-02-06	Common Stock (3000)	Direct
2010-08-04	Employee Stock Option (right to buy)	$29.23	M	9000	Disposed	2017-02-05	Common Stock (9000)	Direct
2010-08-04	Employee Stock Option (right to buy)	$30.70	O	3750	Disposed	2018-02-04	Common Stock (3750)	Direct
2010-08-04	Employee Stock Option (right to buy)	$14.74	M	2425	Disposed	2019-02-02	Common Stock (2425)	Direct

Security	Shares	Ownership
Common Stock	23072	Indirect

F1: Total includes 93 shares received through dividend reinvestment through June 2010.

F2: 3000 shares granted on 1/31/2005 (previously reported on a Form 3) vested in 25% increments per year.

F3: 3,000 shares granted on 2/6/2006 (previously reported on a Form 4) vested in 25% increments per year.

F4: 12,000 shares granted on 2/5/2007 (previously reported on a Form 4) vest in 25% increments per year.

F5: 7,500 shares granted on 2/4/2008 (previously reported on a Form 4) vest in 25% increments per year.

F6: 9,700 shares granted on 2/2/2009 (previously reported on a Form 4) vest in 25% increments per year.