is a technical standard from the German Institute for Standardization (Deutsches Institut für Normung) that outlines the requirements for rotary shaft lip seals (commonly known as oil seals). Overview of the Document
: Uniform sizing for shaft diameters, housing bores, and seal widths. Technical Specifications din 3760 pdf
A tension spring that ensures the sealing lip maintains constant pressure against the rotating shaft. Common Design Types is a technical standard from the German Institute
Radial lip seals are widely used in various industries, including: din 3760 pdf
: Minimum 45 HRC (increases to 55 HRC for speeds > 4 m/s). Shaft Tolerance : Recommended h11 . Housing Tolerance : Recommended H8 .