National

3.250" Inch Metal Single Lip Teflon® Oil Seal 55563

Teflon® PTFE (Lip code: T) has excellent dry running capabilities but comes with important caveats as well. Low coefficient of friction. Excellent chemical resistance. Resistant to oxygenated hydrocarbon blends. PTFE has poor abrasion resistance to dirty...

9.750" Inch Metal Single Lip Nitrile Oil Seal 55078S

Nitrile (Lip code: S) is the most commonly used sealing material as nitrile is excellent with most mineral oils and greases. Offers desirable "low swell" properties across many hydrocarbon fluid types. Variations are available for use with fuels,...

1.365" Inch Metal Single Lip Nitrile Oil Seal 51322

Nitrile (Lip code: S) is the most commonly used sealing material as nitrile is excellent with most mineral oils and greases. Offers desirable "low swell" properties across many hydrocarbon fluid types. Variations are available for use with fuels,...

1.625" Inch Metal Single Lip Teflon® Oil Seal 50569

Teflon® PTFE (Lip code: T) has excellent dry running capabilities but comes with important caveats as well. Low coefficient of friction. Excellent chemical resistance. Resistant to oxygenated hydrocarbon blends. PTFE has poor abrasion resistance to dirty...

1.375" Inch Metal Single Lip Nitrile Oil Seal 50395S

Nitrile (Lip code: S) is the most commonly used sealing material as nitrile is excellent with most mineral oils and greases. Offers desirable "low swell" properties across many hydrocarbon fluid types. Variations are available for use with fuels,...

0.375" Inch Metal Single Lip Nitrile Oil Seal 50197S

Nitrile (Lip code: S) is the most commonly used sealing material as nitrile is excellent with most mineral oils and greases. Offers desirable "low swell" properties across many hydrocarbon fluid types. Variations are available for use with fuels,...

1.125" Inch Metal Single Lip Nitrile Oil Seal 50151S

Nitrile (Lip code: S) is the most commonly used sealing material as nitrile is excellent with most mineral oils and greases. Offers desirable "low swell" properties across many hydrocarbon fluid types. Variations are available for use with fuels,...

2.062" Inch Metal Single Lip Leather Grease Seal 5877

Leather (Lip code: L) lipped seals are good for dry running applications. This legacy seal material is used in select applications only. Poor heat resistance. More expensive than nitrile.Many of Nationals metal cased seals are offered with Redi-Coat®...

3.000" Inch Metal Single Lip Leather Grease Seal 55548

Leather (Lip code: L) lipped seals are good for dry running applications. This legacy seal material is used in select applications only. Poor heat resistance. More expensive than nitrile.Many of Nationals metal cased seals are offered with Redi-Coat®...

2.000" Inch Metal Single Lip Leather Grease Seal 55524

Leather (Lip code: L) lipped seals are good for dry running applications. This legacy seal material is used in select applications only. Poor heat resistance. More expensive than nitrile.Many of Nationals metal cased seals are offered with Redi-Coat®...

2.750" Inch Metal Single Lip Nitrile Oil Seal 55469

Nitrile (Lip code: S) is the most commonly used sealing material as nitrile is excellent with most mineral oils and greases. Offers desirable "low swell" properties across many hydrocarbon fluid types. Variations are available for use with fuels,...

5.437" Inch Metal Single Lip Leather Grease Seal 55357

Leather (Lip code: L) lipped seals are good for dry running applications. This legacy seal material is used in select applications only. Poor heat resistance. More expensive than nitrile.Many of Nationals metal cased seals are offered with Redi-Coat®...