Pfeifer Industries is determined to always give our customers the maximum level of quality and value in the timing belt pulleys we manufacture. We strongly believe that our timing belt pulleys are of higher quality than our competitors’ without adding additional costs for our customers. This confidence is based upon over 30 years of engineering, design and manufacturing experience, and our passion to constantly strive to evaluate our manufacturing processes for cost savings and efficiencies which we pass on to our customers.

The following technical information will give the user a better understanding of the specifications, tolerances and computations of timing belt pulleys.

Timing Belt Pulley - Standard Tolerances

The following tables detail the specifications and tolerances required for producing a quality timing belt pulley.

Timing Belt Pitches and Timing Belt Tooth Profiles

The attached charts identify the different timing belt pitches and timing belt tooth profiles manufactured by various timing belt companies.

Timing Belt Pulley - Pitch Diameter and Outside Diameter Charts

The following charts show the timing belt pulley Pitch Diameter (P.D.) and Outside Diameter (O.D.) for popular timing belt pitches and timing belt tooth profiles.

Timing Belt Pulley - Face Width Tolerances

The included tables show the timing belt pulley face width tolerances of various timing belt pitches and timing belt tooth profiles. 

Timing Belt Pulley - Belt Guide (Flanges) Guidelines

Guidelines for the belt guide (flanging) of timing belt pulleys.

Standard Bore and Keyway Tolerances

Understanding and applying standard bore and keyway tolerances is essential for achieving optimal fits

Timing Belt Pulley - Length of Bore Tolerances

Tolerancing relationship between the diameter of a straight bore and length of bore.

ContiTech - Mechanical Power Transmission Design Software

The ContiTech design software enables the user to input design requirements of a mechanical power transmission system and be given a calculated solution.

Timing Belt Length and Shaft Center to Center Distance Calculator

The following calculators allow the user to specify timing belts and timing belt pulleys to be used within a design’s given parameters.

Technical timing belt calculatorcenter to center calculatorpower design
© Pfeifer Industries, LLC. - 2180 Corporate Lane - Suite 104 - Naperville, Illinois 60563-1639 USA
Telephone: (630) 596-9000 Fax: (630) 596-9002