W.W. GRAINGER, INC. — Director's Dealing 2007

May 7, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAINGER W W INC (GWW)
CIK: 0000277135
Period of Report: 2007-05-04

Reporting Person: KEYSER RICHARD L (Chairman and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-04	Common Stock	S	400	$84.41	Disposed	267932	Direct
2007-05-04	Common Stock	S	300	$84.42	Disposed	267632	Direct
2007-05-04	Common Stock	S	209	$84.43	Disposed	267423	Direct
2007-05-04	Common Stock	S	1300	$84.44	Disposed	266123	Direct
2007-05-04	Common Stock	S	618	$84.45	Disposed	265505	Direct
2007-05-04	Common Stock	S	1200	$84.46	Disposed	264305	Direct
2007-05-04	Common Stock	S	407	$84.47	Disposed	263898	Direct
2007-05-04	Common Stock	S	1000	$84.48	Disposed	262898	Direct
2007-05-04	Common Stock	S	500	$84.49	Disposed	262398	Direct
2007-05-04	Common Stock	S	700	$84.50	Disposed	261698	Direct
2007-05-04	Common Stock	S	200	$84.51	Disposed	261498	Direct
2007-05-04	Common Stock	S	400	$84.52	Disposed	261098	Direct
2007-05-04	Common Stock	S	849	$84.53	Disposed	260249	Direct
2007-05-04	Common Stock	S	700	$84.54	Disposed	259549	Direct
2007-05-04	Common Stock	S	1000	$84.55	Disposed	258549	Direct
2007-05-04	Common Stock	S	700	$84.56	Disposed	257849	Direct
2007-05-04	Common Stock	S	300	$84.57	Disposed	257549	Direct
2007-05-04	Common Stock	S	800	$84.58	Disposed	256749	Direct
2007-05-04	Common Stock	S	400	$84.59	Disposed	256349	Direct
2007-05-04	Common Stock	S	1000	$84.60	Disposed	255349	Direct
2007-05-04	Common Stock	S	700	$84.61	Disposed	254649	Direct
2007-05-04	Common Stock	S	400	$84.62	Disposed	254249	Direct
2007-05-04	Common Stock	S	100	$84.63	Disposed	254149	Direct
2007-05-04	Common Stock	S	901	$84.64	Disposed	253248	Direct
2007-05-04	Common Stock	S	500	$84.65	Disposed	252748	Direct
2007-05-04	Common Stock	S	100	$84.66	Disposed	252648	Direct
2007-05-04	Common Stock	S	200	$84.67	Disposed	252448	Direct
2007-05-04	Common Stock	S	200	$84.69	Disposed	252248	Direct
2007-05-04	Common Stock	S	300	$84.70	Disposed	251948	Direct
2007-05-04	Common Stock	S	800	$84.71	Disposed	251148	Direct