Skip Navigation

Select Language

The National® brand of oil seals and bearings has built a reputation as one of the most respected names in the industry. We provide premium quality, no-compromise solutions for virtually every wheel-end repair. Our engineers keep pace with industry changes and provide advanced technologies to meet the needs of today’s vehicles. We are committed to providing high end, premium products that meet or exceed the original equipment specifications across the full spectrum of wheel bearings and oil seal needs.

national oil seals product view
national oil seals product view

National Oil Seals History



National Celebrates 75 years

National Wheel End Seals celebrates its 75th anniversary as a brand you can trust for the performance that you need


Unitized Axle Shaft Seal is launched

National Unitized Axle Shaft Seal for Ford  Super Duty 4WD front axles that eliminates the need for an additional installation tool launched.


Upgraded to new Dynamic Edge® technology

Upgrade of the 5 top selling National Red 37 Series oil bath seals to the new Dynamic Edge technology. The design incorporates a pumping feature that deflects contamination away from the face of the seal.


Pinion Seal and Axle Flange Gaskets launched

National unitized pinion seal with Sure-Lock® I.D. ribs for popular Meritor® axle applications launched. National/FelPro® co-branded axle flange gaskets with aramid fiber facing material, PTFE anti-stick coating and a laminated solid steel core launched.


Cast aluminum hub caps launched

National cast aluminum hub caps with six different designs launched.


Expanded capabilities

Federal-Mogul acquires T&N and expands its manufacturing capabilities. Included in the sale were oil seal manufacturing facilities in Athens, Alabama, USA (established 1973) and Naucalpan, Mexico (established 1954).


Rear Crankshaft Oil Seals launched

National rear crankshaft oil seals with PTFE sealing technology for popular Chrysler, Ford and GM passenger cars and L/D trucks launched.


Gold 38 Series OIl Bath Seals launched

National Gold 38 Series oil bath seal with PTFE sealing technology, patented lay-down bi-directional sealing lip and dual wall construction launched.


Red 37 Series OIl Bath Seal Launched

National Red 37 Series oil bath seal, a refinement of the AOBS design, with a spring-loaded nitrile main lip, unitized construction for greater structural integrity and a one piece sleeve launched.


Improved innovations

National advanced oil bath seal (AOBS) design that incorporates improved contaminant exclusion with an independent lip and spring and the introduction of Sure-Lock® I.D. rib.


Expanded capabilities

Federal-Mogul acquires the Mather Company, a manufacturer of high performance sealing products and a leader in PTFE technology.


Rubber On heal upgrade

National rubber on heal upgrade to SIR oil seal for enhanced contaminant exclusion and alleviating bore imperfections launched.


SIR and Redicoat launched

National Spring in rubber (SIR) oil seal with a unitized design, nitrile rubber lip and Redicoat® bore sealant launched.


FMMP acquires National Motor Bearing Company

Federal-Mogul acquires National Seal Division of the National Motor Bearing Company. National was one of the country's largest manufacturers of oil seals and the acquisition earned Federal-Mogul its first listing among Fortune magazine's 500 largest American companies. Included in the National sale was the Van Wert, Ohio, USA manufacturing facility that was established in 1942