Din 748 Pdf |best| Jun 2026

Usually references DIN 332 for the design of the center hole at the end of the shaft.

DIN 748 is a German standard that specifies the dimensions, tolerances, and requirements for cylindrical shaft ends. The standard is titled "Cylindrical shaft ends - Dimensions, tolerances, and inspection" and is published by the Deutsches Institut für Normung (DIN), the German national standards body. The standard provides detailed specifications for the design, manufacture, and inspection of cylindrical shaft ends, which are commonly used in various mechanical applications, including gearboxes, motors, and pumps. din 748 pdf

While the standard is German in origin, it has become de facto international best practice. Most global electric motor manufacturers (Siemens, ABB, WEG, Toshiba) adhere to DIN 748 because it aligns seamlessly with ISO and IEC standards. Usually references DIN 332 for the design of

The standard is divided into multiple sections, each targeting specific machine types: The standard is divided into multiple sections, each

It specifies the nominal transmissible torque based on the shaft material's tensile strength and diameter.

That interface is governed by a critical standard: .