-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 V+oLsRbY7+zlE5NusSOSKcjNzeNluzMP/Dt0Zw6/cSqDYAk4yaCY3R7y3fP5IpLi
 knV2T0ap5mrA2fwkKy8OEg==

<SEC-DOCUMENT>0000898430-04-001202.txt : 20040206
<SEC-HEADER>0000898430-04-001202.hdr.sgml : 20040206
<ACCEPTANCE-DATETIME>20040206124013
ACCESSION NUMBER:		0000898430-04-001202
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20040206

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BHA GROUP INC
		CENTRAL INDEX KEY:			0000801128
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP [3564]
		IRS NUMBER:				431416730
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-38753
		FILM NUMBER:		04572622

	BUSINESS ADDRESS:	
		STREET 1:		8800 E 63RD ST
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64133
		BUSINESS PHONE:		8163568400

	MAIL ADDRESS:	
		STREET 1:		8800 E 63RD STREET
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64133

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIMENSIONAL FUND ADVISORS INC
		CENTRAL INDEX KEY:			0000354204
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				22370029
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1299 OCEAN AVE
		STREET 2:		11TH FLOOR
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401
		BUSINESS PHONE:		3103958005

	MAIL ADDRESS:	
		STREET 1:		1299 OCEAN AVENUE
		STREET 2:		11TH FLOOR
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>rrd410.htm
<DESCRIPTION>SCHEDULE 13G/A
</DOCUMENT>
</SUBMISSION>