Din 71550 -

Whether you are designing a gear to be mounted on a shaft, selecting a bearing seat, or specifying a bushing for a hydraulic cylinder, understanding DIN 71550 is non-negotiable for ensuring reliability, torque transmission, and assembly feasibility.

is a withdrawn German technical standard titled "Bead for union joint for hoses in pipes" (German: Sicken für Schlauchverbindungen in Rohrleitungen ). Published in July 1979, it specified the dimensions and design of beads (or raised ridges) on metal pipes used to secure hose connections, primarily within vehicle cooling systems. Overview of DIN 71550 Din 71550

Required torque = 500 Nm × SF 2.0 = 1000 Nm. 570 < 1000 → Not sufficient. Need heavier fit. Whether you are designing a gear to be