SKF Grease and Oil seals provide protection against dirt and water contamination, extending bearing life. Be sure to inspect them regularly and replace any seals showing signs of wear. SKF has long been a leader in the design and development of seals, inventing the first integrated shaft seal in 1928. Since then SKF has continually pioneered new bonding techniques, constructions materials.Whenever a shaft rotates, it needs a bearing arrangement, and whenever there's a bearing, you'll find a seal helping it to reach its maximum service life and reliability. For more than 100 years, the world's engineers, technicians and mechanics have turned to SKF for the best possible solutions. Available for a wide range of applications and needs, SKF bearings and seals are designed and manufactured to the highest quality standards, ensuring long life and safety.