National

1.938" Inch Round Felt Washer Seal 5M81

Felt (Lip code: F) lipped seals are for applications requiring grease as the lubricant as oil would weep through the fabric otherwise. This legacy seal material is used in select applications only; primarily as a wiper. Poor performance at low shaft...

6.438" Inch Round Felt Washer Seal 5M466

Felt (Lip code: F) lipped seals are for applications requiring grease as the lubricant as oil would weep through the fabric otherwise. This legacy seal material is used in select applications only; primarily as a wiper. Poor performance at low shaft...

2.000" Inch Round Felt Washer Seal 5M403

Felt (Lip code: F) lipped seals are for applications requiring grease as the lubricant as oil would weep through the fabric otherwise. This legacy seal material is used in select applications only; primarily as a wiper. Poor performance at low shaft...

1.938" Inch Round Felt Washer Seal 5M293

Felt (Lip code: F) lipped seals are for applications requiring grease as the lubricant as oil would weep through the fabric otherwise. This legacy seal material is used in select applications only; primarily as a wiper. Poor performance at low shaft...

3.125" Inch Metal Leather Grease Seal - Specific Application 5751

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®...

1.318" Inch Metal Nitrile Oil Seal - Specific Application 5131

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,...

2.630" Inch Metal Nitrile Oil Seal - Specific Application 5111S

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,...

2.496" Inch Metal Nitrile Oil Seal - Specific Application 5109

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,...

37.00mm Metric Rubberized Nitrile Oil Seal - Specific Application 4989

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,...

1.562" Inch Metal Viton® Oil Seal - Specific Application 4889

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...

2.748" Inch Metal Polyacrylate Oil Seal - Specific Application 4876N

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...

2.748" Inch Metal Polyacrylate Oil Seal - Specific Application 4874N

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...