ROCKFORD BALL SCREW SIMPLIFIES PRODUCT SELECTION
WITH NEW CATALOG

ROCKFORD, IL, MAY 10, 2005 -- A new Rockford Ball Screw Full Line Catalog is now
available that contains one of the industry’s broadest line of standard and pre-loaded ball screws,
and ACME screws in one comprehensive, easy-to-use catalog.

The 88-page Catalog provides a fast, efficient reference to all pertinent technical and application
information for ball screws and preloaded ball screws, and associated products such as mounting
flanges and wiper kits. In addition, step-by-step ball screw selection examples are used to
simplify the specification of the correct ball screw for any application.

Among the many new Rockford Ball Screw products featured in the Catalog is a new line of
ACME screws, with detailed sizing information that simplifies the selection and application
process. Also included is Rockford Ball Screw's new R/B/S Grease, a multi-purpose PTFE
fortified synthetic EP grease designed specifically for linear motion components.

The Catalog also includes a bearing mount and machined end section that describes Rockford
Ball Screw's unique ability to supply a true fixed bearing mount utilizing spaced angular contact
bearings.

For over 30 years Rockford Ball Screw Co. has been a leading manufacturer of high-quality
rolled thread ball screws used to transmit power in hundreds of linear motion applications, from
medical devices to automation and material handling devices to transportation products.
Rockford Ball Screw is an ISO 9001:2000 registered company with a fast-growing distribution
network throughout North America.