Loaded Lip Seals | McMaster-Carr

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472 Products

U-Cup Seals

O-Ring-Loaded U-Cup Seals

An O-ring forms a better seal at lower pressures than unsupported U-cups
Also known as PolyPaks

80 products

High-Stability O-Ring-Loaded U-Cup Seals

Wider than our other O-ring-loaded U-cups for improved stability
Also known as PolyPaks

42 products

Other Products

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

240 products

Spring-Loaded Seals

Seal rods and pistons with a wider range of temperature and chemical resistance than U-cup seals

54 products

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

11 products

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

29 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

7 products

Buffering Seals

Protect hydraulic cylinders from pressure spikes and shock in high-pressure applications

9 products