National

0.610" Inch Metal Single Lip Viton® Oil Seal 710274

Viton® FKM (Lip code: V) fluoroelastomer premium lip material offers the widest temperature range and chemical resistance of all seal materials. Fluoroelastomers resist most special lubricants and chemicals that can destroy nitrile, polyacrylates or...

38.00mm Metric Metal Single Lip Polyacrylate Oil Seal 710247

Polyacrylate (Lip code: N) are well suited for use with extreme pressure (EP) lubricants and have higher resistance to oxidation and ozone than nitrile. Resistant to sulphur commonly used as a grease additive. Polyacrylate elastomers have good...

43.00mm Metric Metal Single Lip Nitrile Oil Seal 710223

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,...

1.375" Inch Metal Double Lip Nitrile Oil Seal 7495S

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,...

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®...