We supply hobbyists, students, distributors and a wide variety of OEMs with high-quality machined timing belt pulleys and molded pulleys at affordable prices.
SDP/SI offers a broad range of off-the-shelf inch and metric timing belt pulleys. Aluminum, steel or plastic pulleys are available with or without metal inserts, metal hubs, set screws or Fairloc® hubs.
As a complete source for small power transmission components, our pulleys are offered in the same profiles as our timing belt selection: 40 D.P., miniature FHT® 1, 2, & 3 mm, Gates PowerGrip GT®2, Gates PowerGrip GT®3, Gates HTD, L, MXL, T, and XL.
For over 50 years we have helped design engineers build synchronous drive systems. Our engineers can assist in the selection of a standard catalog item to meet your need. Sometimes, there are applications where the standard catalog item doesn't meet all requirements. Modifications, custom components or custom drive systems can be designed, engineered, manufactured and assembled in-house.