SDP/SI Bellows Couplings are flexible couplings designed to accommodate various types of load conditions. SDP/SI Hi-Flex Bellows Couplings are used for applications that require large amounts of shaft misalignment combined with low resultant radial loads on the bearings. SDP/SI Modular Bellows Couplings are configurable and provide high torsional rigidity for high-speed torque transmission. A wide […]

SDP/SI Helical Couplings, or beam couplings, are another type of flexible coupling allowing for axial motion, angular misalignment, and parallel offset. This coupling design features one-piece construction resulting in zero backlash. The coupling is made flexible by removing material from the piece in a spiral pattern. SDP/SI Helical Couplings are available in aluminum and stainless […]

The industrial world is facing many technological changes which increased the urgent demand for premium quality products and services that can only be supplied by a high level of productivity for engineering systems, automated manufacturing, and industrial automation. Stock Drive Products/Sterling Instrument (SDP/SI), a leader in providing mechanical and electromechanical based design, engineering, and precision…

Stock Drive Products/Sterling Instrument (SDP/SI) has begun operations in a brand new world-class facility designed to greatly improve efficiencies and lead times. The newly constructed 96,000 square foot facility is located at 250 Duffy Avenue, Hicksville, NY, less than 10 miles from their former location of 45 years. “This is a very exciting time for…

Stock Drive Products/Sterling Instrument (SDP/SI) has expanded their component offering with the introduction of a new series of Fairloc® Hub Miter and Bevel Gears. The precision gear sets feature the unique Fairloc® hub design, are machined from Stainless Steel and Anodized Aluminum and are offered in a variety of ratios. The Fairloc® hub precision miter…

Stock Drive Products / Sterling Instrument – SDP/SI, announces the donation of components to Team SpacePRIDE for the NASA Lunar Rover Challenge 2013 enabling the team to better compete by improving robotic and automation technology for space applications. Their space rover will traverse up to 80,000 sq. meters, avoid obstacles, navigate, and locate different samples…

Designed primarily to showcase mechanical motion during a trade show, this new kinetic gear sculpture from SDP/SI illustrates mechanical motion principles. It was designed and arranged by Andrea…

Linear Motion Tips

An interactive CD-ROM from Stock Drive Products/Sterling Instrument – SDP/SI features over 130,000 products plus eStore access.  The products are detailed in .PDF versions of the SDP/SI 1,520-page Master Inch Catalog, D810, and the 1,264-page Master Metric Catalog, D805.  Both Master catalogs are designed to make finding automation components fast and easy. eStore access enables…

Stock Drive Products/Sterling Instrument – SDP/SI has announced the appointment of EMT Engineering Sales, Inc. as their exclusive sales representative in Canada, Illinois, Wisconsin, Minnesota, Iowa, North Dakota, and South Dakota. In making the announcement James Mastrorilli, SDP/SI National Sales Manager said, “This appointment will vastly increase our ability to provide superior service for the…

A newly redesigned Web site from SDP/SI makes it easier to buy over 100,000 mechanical components online. The site, at www.sdp-si.com, was in development for over a year by the SDP/SI in-house graphics department. A highlight of the new site is a redesigned product index which is linked directly to inch and metric products on…