This rotary shaft seal has an internal diameter of 23 mm, an external diameter of 42 mm and a 10 mm width. It is used to seal rotating machine components.
This seal consists of an NBR ring with a reinforcement plate and a worm spring made of spring steel. The external rubber-elastic jacket provides stable sealing and tight fit when exposed to high temperatures and high pressures. Suitable for a shaft circumferential speed of up to 14 m/s.
Changing the seal frequently prevents damage to the housing hole. The seal must be assembled according to DIN 3760 to function optimally.
Pros:
- Suitable for temperatures from -30 to 100°C (-22 to 212°F)
- There is no frictional corrosion thanks to the rubber-elastic jacket
series
Specifications
Internal diameter (mm) : 23
Seal material : NBR (nitrile rubber)
Outer diameter (mm) : 42
Material spring : Steel
Retaining ring width (mm) : 10
Rotary shaft seal design DIN 3760 : A (rubberized)
Min temperature (°C) : -30
Max temperature (°C) : 100
Alternative designation : A (BA, (TR)A, CB, 827N, DG, SC, WA)
Max circumferential speed (m/s) : 14
Metal reinforcement : Open
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