W.W. GRAINGER, INC. — Director's Dealing 2005

May 18, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAINGER W W INC (GWW)
CIK: 0000277135
Period of Report: 2005-05-17

Reporting Person: HALL WILLIAM K (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-05-17	Common Stock	P	100	$54.29	Acquired	2100	Direct
2005-05-17	Common Stock	P	200	$54.30	Acquired	2300	Direct
2005-05-17	Common Stock	P	300	$54.31	Acquired	2600	Direct
2005-05-17	Common Stock	P	200	$54.33	Acquired	2800	Direct
2005-05-17	Common Stock	P	200	$54.39	Acquired	3000	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Units	$		Common Stock (2064)	2064	Direct

Footnotes

F1: 1-for-1

F2: The stock units are expected to settle in cash following termination of service as a director.