Smallparts Timing - Technical Information

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Smallparts Timing - Technical Information

Timing Belts and Pulleys

Timing belt drives are toothed belts and pulleys which transmit power and speed accurately from a drive shaft to a driven shaft. The teeth of the belt fit into the grooves of a matching pulley. Correctly tensioned timing belt drives have no slippage and are often used in indexing applications.

The two main tooth styles offered by SPB are the trapezoidal and the rounded tooth types. These types can be further broken down into their various pitches and proprietary styles.

Pitches and Styles offered by SPB

2mm Pitch GT^TM Rounded Tooth
2.032mm Pitch MXL Trapezoidal Tooth (Classic Imperial Style)
2.080mm Pitch 40DP Trapezoidal Tooth (Classic Imperial Style)
2.5mm Pitch TrueMetric^TM Trapezoidal Tooth
3mm Pitch GT^TM Rounded Tooth
3mm Pitch HTD^TM Rounded Tooth
5mm Pitch GT^TM Rounded Tooth
5mm Pitch HTD^TM Rounded Tooth
5mm Pitch TrueMetric^TM Trapezoidal Tooth
5.080mm Pitch XL Trapezoidal Tooth (Classic Imperial Style)
9.525mm Pitch L Trapezoidal Tooth (Classic Imperial Style)
10mm Pitch TrueMetric^TM Trapezoidal Tooth

Timing belts and pulleys can be found here in the SPB online catalogue.

Materials used in Timing Belts

Materials used in Timing Pulleys

Timing belts and pulleys can be found here in the SPB online catalogue.

Technical Index

Product Technical Information

Balls	Bearings	Couplings
Pins	Shafting	Timing Belts and Pulleys

Other Technical Information

Basic Information Sheets	Catalogues	Glossary of Technical Terms
Links to Further Information	Materials Information	Measurement Conversions
Skate Bearing FAQ	Technical Information Sheets

Tables and information on this web site should be read as a general guide only. The relevant standards should be consulted to ensure accuracy

There are no further parts to this document.

SPB Terms and Conditions of Sale

SPB Freight Rates

Site Summary:

Small Parts and Bearings offers over 100,000 products including small bearings, timing pulleys, timing belts, seals, o-rings, gears etc - see the full listing in the Online Catalogue. Our main business is handled primarily through our internet store or via phone, fax or mail order. To keep our prices low we have minimised overheads by not having a storefront. If you would like to deal through an MBA distributor with a showroom and counter service you can contact H.E. Supplies (Hobby Engineering Supplies).

Using the links at the top of this page you will find extensive information including catalogues (Products and Store link), technical data, and other product specific information. We sell our product worldwide through our online store and have quite low overseas freight rates.

The Small Parts and Bearings online store is linked directly to the Miniature Bearings Australia online catalogue, so all new MBA products are added automatically. Recent additions include full ceramic bearings in Silicon Nitride and Zirconia, and ceramic hybrid bearings for pushbikes and other applications. New products are being added every week. We also suggest that you may want to take a look at the technical information sites - Shafting Information, Couplings Information, Gearboxes Information and General Engineering Parts Information.

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