In the world of mechanical engineering and industrial design, rotary shaft seals are the unsung heroes of machinery. They ensure that lubricants stay where they belong and that contaminants stay out. Among the various standards governing these critical components, stands as one of the most historically significant and widely referenced specifications in the industry.
DIN 3760 utilizes a specific coding system to describe the seal design. A typical designation might look like . din 3760 pdf
| Parameter | Requirement | |-----------|-------------| | | 4 … 500 mm | | Housing bore (D) | 10 … 550 mm | | Width (b) | 6 … 30 mm | | Tolerance – shaft | h9 or h11 | | Tolerance – bore | H8 (recommended) | | Eccentricity (dynamic) | ≤ 0.3 mm (depending on size) | In the world of mechanical engineering and industrial