![NBR Design B Rotary Shaft Seal 52x68x7mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_4a65fae3-d605-49a2-a6fc-c27aa9fcd9ab.jpg)
Description
This rotary shaft seal has an internal diameter of 52 mm, an external diameter of 68 mm and a 7 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)
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![NBR Design B Rotary Shaft Seal 45x60x10mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_8b75bdf9-2b20-47f8-97de-e6bfca54ec8d.jpg)