Polyurethane Rubber Seals | McMaster-Carr

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System of Measurement

Seal ID

Seal OD

ID

Seal Width

OD

Width

For Use With

Diluted Salt Solutions

Synthetic Lubricants

Transmission Fluid

Calcium Hydroxide

Ethylene Glycol

Rod Diameter

Material

Polyurethane Rubber

Dash Number

Hardness

Color

Hardness Rating

Maximum Temperature

For Cylinder Type

Bore Diameter

Groove Diameter

Groove Width

Minimum Temperature

Fractional ID

RoHS

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

For Sealing

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770 Products

Sealing

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

U-Cup Seals

With a lip on both the inside and outside edges, they can be used for sealing rods and pistons

Buffering Seals

Buffering Seals

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

Head Seals

Maintain a seal even under fluctuating pressure; more reliable than an O-ring with a backup ring

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

Power Transmission

Hydraulic Cylinder Seals

Hydraulic Cylinder Seals

Replace seals on the piston or rod end of hydraulic cylinders

Raw Materials

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

Safety Equipment

Drum Patches

Patch drum leaks to prevent their contents from spilling

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)