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Belts Page ThumbnailBelts

ISC Companies and affiliate Adams-ISC are distributors of mechanical power transmission parts including drive belts. For more information about the brands we offer and/or pricing, please contact us by phone 763-559-0033, by email custserv@isccompanies.com, or by filling out our contact form.


Industrial equipment is commonly powered by belt drives because they are flexible, relatively inexpensive, simple to install and maintain, and require a minimal amount of space. In addition, belt-driven equipment parts are easy to obtain and replace, a fact that helps reduce downtime spent on repairs.

Industrial belt drives are used to transfer torque and aid in speed changes from one shaft to a another shaft. In all applications, the drive consists of one or more belts and a sheave/pulley relationship. Changing the diameter of the driven sheave/pulley alters the ratio and causes a change in the speed.

Drive belts are grouped into three basic classifications according to their cross-sectional design: v (vee) or wedge, flat, and synchronous (toothed or timing). Each type of belt requires a different type of pulley system. V-style belts match with a grooved pulley or sheave, flat style belts use a drum style pulley, and toothed belts match with a toothed pulley or sprocket.

Belt drives have following advantages over other drive types such as close-coupled, roller chain, and gear drives:

  • Economical to install and maintain
  • Reliable and trouble-free
  • Simple to design
  • Easy to install
  • No lubrication is required
  • Work in a variety of applications
  • Can be adjusted for any speed requirement
  • Quiet and operate smoothly
  • Pulleys are less expensive than chain sprockets
  • Long sheave/pulley life
  • Can act like a clutch and prevent catastrophic failure

Belts Line CardView Belts Line Card View All Line Cards


Top Brands of Belts We Offer

Bando USA Brand Logo

Bestorq Brand Logo

Carlisle_Timken Brand Logo

Dayco Brand Logo

Dodge Brand Logo

Fenner Drives Brand Logo

Gates Brand Logo

Jason Industrial Brand Logo

Maurey Manufacturing Brand Logo

TB Woods Brand Logo


PTDA-Handbook-CoverContent on this page was created using excerpts from the Power Transmission Handbook (5th Edition), which is written and sold by the Power Transmission Distributor’s Association (PTDA).

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ISC Companies and affiliate Adams-ISC are industrial distributors of bearings and mechanical power transmission parts. We have many different models and brands in stock for fast delivery. Our sales professionals are happy to assist you in the selection process to ensure the correct part is specified for your application. Get a quote by clicking below on “Request Pricing” and filling out the contact form or give us a call at 1-800-627-9434.

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