TIMKEN CO — Director's Dealing 2008

May 19, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TIMKEN CO (TKR)
CIK: 0000098362
Period of Report: 2008-05-15

Reporting Person: TIMKEN WARD JACKSON (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-05-15	Common Stock	M	7000	$15.875	Acquired	469621	Direct
2008-05-15	Common Stock	F	4331	$36.5769	Disposed	465290	Direct
2008-05-15	Common Stock	M	5000	$25.40	Acquired	470290	Direct
2008-05-15	Common Stock	F	3987	$36.5751	Disposed	466303	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-05-15	Nonqualified Stock Option (Right to buy)	$25.40	M	5000	Acquired	2012-04-16	Common Stock (5000)	Direct
2008-05-15	Nonqualifed Stock Option (Right to Buy)	$15.875	M	7000	Acquired	2010-04-18	Common Stock (7000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2656	Indirect
Common Stock	45217	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: Nonqualifed 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 18, 2001, the first anniversary date of the grant.