By Published On: June 28, 2021Categories: Rotary Seals0 Comments

The 439/440 series rotary seal is a popular seal used in moderate to high speed applications that require maximum reliability and long service life. The unique encapsulated spring ensures that the spring remains in place during a blind installation. The main body is strong yet flexible for ease of installation and stability within the groove. The lip force is optimized for the full range of sizes by varying designs of the internal spring, allowing low friction and minimal wear.

Download Material Specification Sheet (PDF)