TIMKEN CO — Director's Dealing 2010

Aug 6, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TIMKEN CO (TKR)
CIK: 0000098362
Period of Report: 2010-08-05

Reporting Person: TIMKEN WARD JACKSON (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-05	Common Stock	M	5000	$25.40	Acquired	477803	Direct
2010-08-05	Common Stock	F	3585	$35.495	Disposed	474218	Direct
2010-08-05	Common Stock	M	3000	$26.35	Acquired	477218	Direct
2010-08-05	Common Stock	F	2237.	$35.457	Disposed	474981	Direct
2010-08-05	Common Stock	M	3000	$24.14	Acquired	477981	Direct
2010-08-05	Common Stock	F	2050	$35.4113	Disposed	475931	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-08-05	Nonqualified Stock Option (Right to Buy)	$25.40	M	5000	Disposed	2012-04-16	Common Stock (5000)	Direct
2010-08-05	Nonqualified Stock Option (Right to Buy)	$26.35	M	3000	Disposed	2015-04-19	Common Stock (3000)	Direct
2010-08-05	Nonqualified Stock Option (Right to Buy)	$24.14	M	3000	Disposed	2014-04-20	Common Stock (3000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2779	Indirect
Common Stock	50217	Indirect
Common Stock	24000	Indirect
Common Stock	500000	Indirect

Footnotes

F1: DISCLAIMER: Undersigned disclaims any beneficial interest.

F2: Indirect beneficial ownership by self as co-trustee for WR Timken Trust FBO Great-Grandchildren

F3: Co-Trustee of Trust U/Will of H.H. Timken, Jr. DISCLAIMER: Undersigned disclaims beneficial ownership, except for his one-sixth income interest in the trust.

F4: Nonqualified stock option with limited transferability granted to the reporting person pursuant to the Timken Company Long-Term Incentive Plan. Option became exercisable in 25 percent annual increments beginning April 16, 2003, the first anniversary date of the grant.

F5: Nonqualified stock option with limited transferability granted to the reporting person pursuant to the Timken Company Long-Term Incentive Plan. Option became exercisable in 25 percent annual increments beginning April 19, 2006, the first anniversary date of the grant.

F6: Nonqualified stock option with limited transferability granted to the reporting person pursuant to the Timken Company Long-Term Incentive Plan. Option became exercisable in 25 percent annual increments beginning on April 20, 2005, the first anniversary date of the grant.