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    Design Tools




In this section you will find technical information, catalogs, videos and other useful tools and information that should make your gear selection process easier.








Download & Request Catalogs

Our print catalogs contain all of the products we offer. You can request your copy by filling out our catalog request form. We also offer full PDF downloads of each version or section.




Center Distance Designer

Find the center distance between two pulleys so you can find the right belt for your application.




Coupling Selector

Thousands of inch and metric, rigid, and flexible couplings are offered by SDP/SI. To assist the customer in their search, the couplings can be sorted by all relative design parameters in any order.




Part Number Cross Reference

Find an equivalent part by selecting a company or a vendor, then enter a full or partial part number in the search box.




Video References

Watch informative videos about our company and products.



eBooks & Brochures

A broad selection of eBooks, brochures, & downloads offered by SDP/SI.





Technical Resources

Our technical reference section provides useful information regarding our Components.





Upcoming Events

Our techical reference section provides useful information regarding our Components.





Press Releases

Our techical reference section provides useful information regarding our Components.