Description
This rotary shaft seal has an internal diameter of 20 mm, an external diameter of 47 mm and a 10 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)
- Provided with a dust lip for protection from dirt and corrosion

![NBR Design BS Rotary Shaft Seal 20x47x10mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_2a488841-a2bf-4aeb-ad29-bcc4885d9ea4.jpg)



![NBR Design AS Rotary Shaft Seal 45x62x7mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_ced4c226-b1b3-4a2d-9f1a-82d8834bedef.jpg)



![NBR Design B Rotary Shaft Seal 45x60x7mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_e6b0a135-c10f-45f0-884b-82cbb15b08c8.jpg)