: The shaft must have a surface roughness between Racap R sub a 0.2 and 0.8 and a minimum hardness of 45 HRC to prevent excessive wear. Seal Designs : Type A : Standard rubber-covered seal with a garter spring.
The standard has undergone several revisions to keep pace with technological advancements. The current active edition is , released in September 1996. It replaced older editions from April 1972 and February 1962. din 3760 pdf
Maximum allowable peripheral speeds based on the selected elastomer. : The shaft must have a surface roughness
The shaft must have a smooth, burr-free lead-in chamfer to prevent damaging the delicate rubber lip during assembly. Housing Bore Requirements The current active edition is , released in September 1996
For professional applications, it is strongly recommended to obtain the official, non‑modified PDF from authorized distributors. There is no legal, free download of the standard, and many PDFs found on file‑sharing platforms are incomplete, of poor quality, or contain errors.