SKF Nitrile Rubber (NBR) Seal, 40 mm ID, 55 mm OD, 7 mm

This rotary shaft seal is designed for use between rotating and stationary components, effectively accommodating a shaft diameter of 40mm and housing bore diameter of 55mm. The 7mm thickness provides a robust barrier against contaminants. Manufactured from nitrile rubber, this seal operates effectively in temperatures ranging from -40°C to +100°C, making it suitable for various dynamic sealing situations.

• High pumping rate to improve lubrication efficiency
• Enhanced contamination exclusion with auxiliary dust lip
• Incorporates a garter spring for reliable sealing
• Adapts well to misalignment between components
• Designed for optimal performance in polluted environments
• Supports a maximum circumferential speed of 6.93m/s

• Utilised in automotive to secure oil or grease
• Often found in machinery requiring dynamic sealing solutions
• Ideal for use in environments exposed to contaminants
• Commonly employed in industrial settings with rotating shafts

The seal operates effectively from -40°C to +100°C, enabling use in diverse environments. This wide temperature range ensures consistent performance, even under challenging conditions.

The inclusion of a garter spring and an auxiliary dust lip optimally maintains the sealing pressure against the shaft, preventing leaks and prolonging service life, especially in areas with contaminants.

The 7mm thickness provides structural integrity and durability, which is essential for maintaining effective sealing performance over time in demanding environments.

Yes, the design allows for some misalignment, which helps prevent damage to both the seal and the components it protects, thus reducing maintenance needs and extending the lifespan of the assembly.