AAR

April 25, 2001

Mr. David W. Shannon

Manager, Product and Performance Engineering

Brenco Incorporated

P.O. Box 389

Petersburg, VA  23804

Subject: Unconditional Approval of Mobilith SHC RR221 Grease                                                                       

                                                                                                                                                                            File Number: TB-24.42

Dear Mr. Shannon:

    Please refer to your letter of February 22, 2001 requesting AAR unconditional approval of Mobilith SHC RR-221 Roller Bearing Journal Grease.

    I am pleased to inform you that the AAR's Wheels, Axles, Bearings and Lubrication Committee voted favorably on your request.  Mobilith SHC RR-221 is hereby granted AAR unconditional approval for use in combination with DDL, ST-212 and Thin Gap seals.

                                                                                                                                        Sincerely,

                                                                                                                                        Thomas J. Stahura

cc:    WABL Committee

        Mr. D. C. Meeks