Timing Belts (metric) Selection Guide

Metric pitch timing belts mate with same-pitch timing pulleys in power transmission systems where maintenance-of-speed ratio is an important design consideration. Metric pitch is the distance between belt teeth based on millimeters (mm).

With metric pitch timing belts, a timing pulley transmits force to the belt via evenly-spaced grooves that mate with the teeth in the belt. These same grooves and teeth prevent belt slippage.

Synchronous belt drives are highly-efficient devices. Synchronous belts come in a wide variety of materials and reinforcements. Metric pitch timing belts are also available in trapezoidal and curvilinear tooth form.

Specifications

Length, Width, and Number of Teeth – For a given pitch, a selected number of teeth will determine the belt length. Likewise, a specified belt length will determine the number of teeth for metric pitch timing belts.

Pitch is the most important consideration when searching for metric pitch timing belts. By definition, pitch is the distance from one tooth center to the adjacent tooth center.

This article comes from globalspec edit released

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