National Seals Oil Bath Wheel Hub Seal, Nitrile, 37 Series, 4-1/4 in ID x 6-3/64 in OD x 11/16 in Width, Trailer Axle
#NAT376590A
Product Overview
The most dependable point contact seal in the market! This National® oil seal is designed to prevent lubricant leakage and contamination in trailer axle applications. Featuring a patented Sure-Lock I.D. rib and constructed of tough, abrasion-resistant nitrile, it meets or exceeds OEM specifications for function, form, and fit. Ideal for precision bearings and machinery components, it effectively excludes contaminants and reduces friction build-up for longer service life. National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Features & Benefits
- Red 37 Series oil bath seals deliver dependable point contact seal
- Unitized construction provides greater structural integrity, easier installation and main lip protection
- Abrasion-resistant nitrile with spring-loaded main lip for positive sealing with reduced shaft interference
- Unique rubber I.D. and O.D. includes patented SURE-LOCK® ribs that prevent shaft leaks and bore contamination
- An Installation Tool (Also Available) is Essential in Correctly Installing Oil Bath Seals.
- Protects machine components from abrasives, corrosive moisture, and other harmful contaminants.
- Offers Superior Containment Exclusion, Reduced Friction Build-Up and Longer Life Than Other Wheel Seals in its Price Range.
- Manufactured to Meet or Exceed O.E.M. Specifications in Function, Form & Fit.
- Separates fluids and gases to prevent intermixture of different mediums such as lubricating oil and water.
- Four Contact Points Act as a Barrier for Additional Protection.
Specifications
| Application | Trailer Axle |
| Material | Nitrile |
| Seal I.D. | 4-1/4 in |
| Seal O.D. | 6-3/64 in |
| Series | 37 Series |
| Type | Oil Seal |
| Width | 11/16 in |
| Bore Size | 6.01 in |
| Product Line | National Seals |
| Seal Type | Oil Bath Wheel Hub Seal |
| Shaft Size | 4.25 in |
| Shaft Type | Radial |
| Standards | Meets or exceeds OEM specifications |
| Manufacturer Part Number | 376590A |
| Product Category | Wheel Seal |
| Quantity | 1 |
Interchanges & Equivalent parts:
| 307-0723 |
| 370065A |
| 371-0023 |
| 372-7099 |
| 3727099 |
| 373-0123 |
| 373-0223 |
| 3730223 |
| 377-7723 |
| 380065A |
| 42622 |
| 42623 |
| 42625 |
| 42627 |
| 42630 |
| 42631 |
| 528942 |
| A1205P1888 |
| A1205Y1975 |
| IMT376590A |
| JBE376590A |
| RNT376590A |