National 40520S Seal or gasket

National 40520S is a seal or gasket in Hardware & Accessories, US catalog. Listed by National Industrial Applications, Product Specifications & Interchange Guide (Catalog No. 430i, July 2019; Federal-Mogul Motorparts).

Radial Shaft Seals

Specifications

Lip material (code as printed)

S

Shaft size

2.250

Housing bore

3.000

Seal O.D.

3.005

Seal width

0.250

Type / illustration

4S

Section as printed

RADIAL SHAFT SEALS

Name taken from

the section heading, pdf page 95

Specifications from National Oil Seals & Bearings Specifications Guide (DRiV, 2021)

Shaft

2.250″ / 57.150mm

Housing bore

3.000″ / 76.200mm

Outside diameter

3.005″ / 76.330mm

Width

0.250″ / 6.350mm

Material

Nitrile

Type

4S

Name taken from

the section heading, pdf page 101

About this kind of part (general, written by SearchForPart)

Seals a joint against leaks of fluid, air, water or dust. A leak at a joint or a part taken apart calls for a new one. Check size, material and the joint it seals.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

Reference numbers

Listed by the maker as corresponding

• Listed by National as corresponding to L & S Bearing A53101; interchange not verified by SearchForPart.
• Listed by National as corresponding to Trostel A53101; interchange not verified by SearchForPart.
• Listed by National as corresponding to Jaguar C-15231; interchange not verified by SearchForPart.
• Listed by National as corresponding to Avco K4538; interchange not verified by SearchForPart.
• Listed by National as corresponding to Sealed Power N22368; interchange not verified by SearchForPart.
• Listed by National as corresponding to Mopar T2211; interchange not verified by SearchForPart.
• Listed by National as corresponding to NOK UF0500E; interchange not verified by SearchForPart.
• Listed by National as corresponding to NOK UF0500-E0; interchange not verified by SearchForPart.
• Listed by National as corresponding to Hyster WHITE 5872S; interchange not verified by SearchForPart.
• Listed by National as corresponding to Transcom Oil Seals 22302VHY; interchange not verified by SearchForPart.
• Listed by National as corresponding to Aston Martin 26-80853; interchange not verified by SearchForPart.
• Listed by National as corresponding to Timken 40520S; interchange not verified by SearchForPart.
• Listed by National as corresponding to Trostel STEM 9773; interchange not verified by SearchForPart.
• Listed by National as corresponding to Bucyrus-Erie 72-159578; interchange not verified by SearchForPart.

Reference numbers as printed by the maker. They are not a statement that the parts are interchangeable. Confirm with the manufacturer before ordering.

Availability

Not currently offered by an approved supplier. Ask us to source it and we look for a supplier.

Do you sell this part?

If you stock or supply this part, tell us about your business and what you sell.

Sell or Supply Parts

Catalog information provided by National Industrial Applications, Product Specifications & Interchange Guide (Catalog No. 430i, July 2019; Federal-Mogul Motorparts). Fitment for your equipment is not verified by this page. SearchForPart does not show a price here.