SDP/SI is a U.S. Manufacturer of Power Transmission and Motion Control Products since 1950

SDP/SI offers a comprehensive selection of precision synchronous timing belts available online for fast, convenient ordering. Designed for reliable performance in medical, aerospace, defense, automation, and robotics applications, our timing belts are available in a wide range of industry-standard tooth profiles, including MXL, 40 D.P., XL, L, HTD®, GT®2, GT®3, and T-series (5, T5, T10).

As one of the largest timing belt sleeving consumers in the United States, SDP/SI maintains extensive inventory to support quick turnaround times for both standard and custom belt widths. Standard timing belts and complementary drive components, including timing pulleys, idlers, tensioners, belt clamp kits, and tension testers, are available for purchase through our online e-Store, with many products shipping within 24 hours.

To simplify system design and component selection, SDP/SI’s online e-Store provides engineering resources including AI-powered search, calculation tools, gear and drive design data, detailed product specifications, and downloadable 3D CAD models. Engineers can also use the center distance designer tool to optimize timing belt and pulley configurations.

Engineering Support and Online Design Resources

In addition to standard inch and metric components, SDP/SI offers engineering support for custom synchronous belt and pulley drive systems tailored to specific application requirements. Our engineering team is available to assist with design reviews, component selection, and custom assemblies to help keep your project moving forward.

Explore timing belts and drive components online at: https://shop.sdp-si.com

Whether supporting new product development or optimizing an existing assembly, SDP/SI provides the engineering and manufacturing expertise required for scalable, long-term production success.

SDP/SI - Stock Drive Products/Sterling Instrument, a Designatronics company
250 Duffy Avenue, Hicksville, NY 11801
Phone: (516) 328-3300; (800) 819-8900
https://shop.sdp-si.com