Shaft Seals For Transmission Fluid | McMaster-Carr

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System of Measurement

Seal ID

Seal OD

Shaft Diameter

Seal Width

Bore Diameter

ID

Material

Molybdenum Disulfide

Silicon Carbide

Stainless Steel

Loaded Type

For Sealing

Rod Diameter

Maximum Rotation Speed

For Shaft Motion

Maximum Pressure

Less than 1,000 psi

1,000 psi to 1,999 psi

4,000 psi or greater

OD

For Minimum Bore Width

Color

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 749° F

For Cylinder Type

Spring Material

Stainless Steel

Hardness Rating

REACH

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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937 Products

Shaft Seals

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

Shaft-Mounted Rotary Shaft Seals

Shaft-Mounted Rotary Shaft Seals

Block dust and other contaminants to protect shaft bearings

Rotary Shaft Seals for Grease

Rotary Shaft Seals for Grease

Retain thick lubricant at low pressure

Spring-Loaded Rotary Shaft Seals

Spring-Loaded Rotary Shaft Seals

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

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

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 with Extended Spring

Mechanical Pump Shaft Seals with Extended Spring

An extended spring accommodates variations in seal cavity length

Split Rotary Shaft Seals

Split Rotary Shaft Seals

Swap out old seals without disassembling components

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

Mechanical Pump Shaft Seals

Mechanical Pump Shaft Seals

Commonly used in well, sump, and displacement pumps

Heavy Duty Mechanical Pump Shaft Seals

Heavy Duty Mechanical Pump Shaft Seals

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

Mechanical Pump Shaft Seals with Compact Spring

Mechanical Pump Shaft Seals with Compact Spring

Built with short springs for small circulation and dispensing pumps

Narrow-Profile Mechanical Pump Shaft Seals with Extended Spring

A smaller seal OD than standard seals

Cartridge Mechanical Shaft Seals

Cartridge Mechanical Shaft Seals

The seal and seat are already assembled for fast installation

Other Products

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

Spring-Loaded Seals

Spring-Loaded Seals

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

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

Buffering Seals

Buffering Seals

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

Cushioning Seals

Cushioning Seals

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

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