Pump Seal Washers | McMaster-Carr

Filter by

System of Measurement

Seal ID

Seal OD

Shaft Diameter

Seal Width

For Use With

Diluted Salt Solutions

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Calcium Hydroxide

Ethylene Glycol

Bore Diameter

Material

Silicon Carbide

Stainless Steel

ID

Rod Diameter

For Sealing

OD

Maximum Pressure

Less than 50 psi

50 psi to 99 psi

100 psi to 249 psi

250 psi to 399 psi

400 psi or greater

Maximum Temperature

Maximum Rotation Speed

Loaded Type

Color

For Shaft Motion

Hardness

For Cylinder Type

REACH

RoHS

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Minimum Temperature

How can we improve?

799 Products

Shaft Seals

Shaft-Mounted Rotary Shaft Seals

Shaft-Mounted Rotary Shaft Seals

Block dust and other contaminants to protect shaft bearings

Bore-Sealing Spring-Loaded Rotary Shaft Seals with Wiper Lip

Bore-Sealing Spring-Loaded Rotary Shaft Seals with Wiper Lip

Create a tight seal with the bore, even with a rough surface or in a split housing

Spring-Loaded Rotary Shaft Seals with Wiper Lip

Spring-Loaded Rotary Shaft Seals with Wiper Lip

The secondary lip blocks contaminants

Heavy Duty Shaft-Mounted Rotary Shaft Seals

Heavy Duty Shaft-Mounted Rotary Shaft Seals

Made of fluoroelastomer for excellent chemical resistance and temperatures up to 390° F

Mechanical Pump Shaft Seals with Extended Spring

Mechanical Pump Shaft Seals with Extended Spring

An extended spring accommodates variations in seal cavity length

Spring-Loaded Rotary Shaft Seals

Spring-Loaded Rotary Shaft Seals

A spring secures the lip against the shaft to prevent messy leaks

Rotary Shaft Seals for Grease

Rotary Shaft Seals for Grease

Retain thick lubricant at low pressure

Cartridge Mechanical Shaft Seals

Cartridge Mechanical Shaft Seals

The seal and seat are already assembled for fast installation

High-Speed Rotary Shaft Seals

High-Speed Rotary Shaft Seals

Work at least 25% faster than other rotary shaft seals thanks to a slippery PTFE surface

Mechanical Pump Shaft Seals

Mechanical Pump Shaft Seals

Commonly used in well, sump, and displacement pumps

Split Rotary Shaft Seals

Split Rotary Shaft Seals

Swap out old seals without disassembling components

Narrow-Profile Mechanical Pump Shaft Seals with Extended Spring

A smaller seal OD than standard seals

Mechanical Pump Shaft Seals with Compact Spring

Mechanical Pump Shaft Seals with Compact Spring

Built with short springs for small circulation and dispensing pumps

Spring-Loaded Rotary Shaft Seals for Misaligned Shafts

Spring-Loaded Rotary Shaft Seals for Misaligned Shafts

With an extended lip, seals flex to accommodate shaft misalignment

Heavy Duty Mechanical Pump Shaft Seals

Heavy Duty Mechanical Pump Shaft Seals

Multiple springs maintain the seal in agricultural, chemical, and mining pumps

Other Products

Garter Springs

Exert radial force from all directions to maintain pressure on shafts or in seals

U-Cup Seals

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

Hydraulic Cylinder Seals

Hydraulic Cylinder Seals

Replace seals on the piston or rod end of hydraulic cylinders

Shaft Repair Sleeves

Shaft Repair Sleeves

Cover worn shafts with a smooth and protective sealing surface without machining

Cylinder Rod Glands

Cylinder Rod Glands

Replace the rod gland on hydraulic cylinders

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