Product Description
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® rubberized coating which is applied over the seals bare metal case and helps fill in any minor bore imperfections upon installing the new seal.Please note that not all product images are representative of the item being shown but are similar in appearance. Please refer to the seals technical specifications sheet provided in the image carousel for absolute confirmation before ordering.Follow this link for access to Timken's interactive, multi-vehicle, bearing & seal application database.
Follow this link to access Timken's National oil seal & competitor's interchange.
Timken Metric Oil Seal Catalog
National 7707 Inch Oil Seal Catalog & Interchange
Custom Field
Shaft size 3.500"
Seal outer diameter 4.437"
Seal width 0.437"
Seal type & style 8L (Single lip)
Lip material L (Leather)
Case material Plain metal case
Temperature range -46°C ~ 93°C (-50°F ~ 200°F)
Spring retained Yes
Seal series 5000
Notable feature External bore design
Denoted measurement Inch
Shown in catalog Yes