Description
This rotary shaft seal has an internal diameter of 50 mm, an external diameter of 72 mm and a 12 mm width. It is used to seal rotating machine components.
This seal consists of an NBR part with an external reinforcement plate and a worm spring made of spring steel. The plate is pressed in slightly during installation. To ensure a seal at the outer casing, tighter tolerances of the hole in the housing are required. Suitable for a shaft circumferential speed of up to 14 m/s.
Pros:
- Suitable for temperatures from -30 to 100°C (-22 to 212°F)

![NBR Design B Rotary Shaft Seal 50x72x12mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_69cf8927-de26-4fad-8517-db03df52e0a2.jpg)





![NBR Design C Rotary Shaft Seal 45x60x10mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_b9bef02a-142c-48b5-b082-5581c16c0b5d.jpg)
