Buna-N Rubber Shaft Seals | McMaster-Carr

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System of Measurement

Seal ID

Seal OD

Shaft Diameter

0.210" to 0.260"

0.370" to 0.450"

0.450" to 0.530"

0.610" to 0.690"

0.690" to 0.770"

Bore Diameter

For Use With

Ball Joint Rod Ends

Diluted Salt Solutions

Synthetic Lubricants

Transmission Fluid

Ammonium Hydroxide

Calcium Hydroxide

Ethylene Glycol

Loaded Type

ID

For Minimum Bore Width

For Sealing

Material

Aramid/PTFE Fiber

Fluoroelastomer

Polyurethane Rubber

Silicone Rubber

Stainless Steel

Rod Diameter

OD

Maximum Pressure

Less than 1,000 psi

4,000 psi or greater

Color

Shaft Seal Motion

Spring Material

Stainless Steel

Maximum Rotation Speed

Case Material

Stainless Steel

Maximum Temperature

200° F to 249° F

250° F to 499° F

Hardness Rating

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

415 Products

Sealing

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

U-Cup Seals

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Cushioning Seals

Cushioning Seals

Reduce wear and noise in air-powered cylinders by blocking the piston from hitting the cylinder body

Power Transmission

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

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