National Seals Oil Bath Wheel Hub Seal, Rear/Drive Axle, Nitrile, 37 Series, 4.625 in I.D., 6.015 in O.D., 27/32 in Width
Product Overview
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. The most dependable point contact seal in the market! This oil bath wheel hub seal is designed to meet or exceed OEM specifications in function, form, and fit. It provides superior containment exclusion, reduced friction build-up, and longer life than other wheel seals in its price range. Ideal for heavy-duty truck rear and drive axles, it features a unique rubber I.D. and O.D. seal with a patented Sure-Lock I.D. rib to prevent bore and shaft leaks and contamination. Precision engineered to prevent lubricant escape and protect against abrasives, corrosive moisture, and other contaminants.
Features & Benefits
- Dynamic Edge 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
- Metal O.D. maintains position on hub bore.
- An installation tool (also available) is essential in correctly installing oil bath seals.
- Protects machine components by preventing abrasives, corrosive moisture, and other harmful contaminants from entering.
- 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.
- Prevents lubricants from escaping bearings or specific areas, ensuring precision bearing performance.
- Four contact points act as a barrier for additional protection.
Specifications
| Application | Rear/Drive Axle |
| Material | Nitrile |
| Seal I.D. | 4.625 in |
| Seal O.D. | 6.015 in |
| Series | 37 Series |
| Type | Oil Seal |
| Width | 27/32 in |
| Bore Size | 6.00 in |
| Seal Type | Oil Bath Wheel Hub Seal |
| Shaft Size | 4.625 in |
| Shaft Type | Radial |
| Standards | Meets or exceeds OEM specifications |
| Manufacturer Part Number | 370025A |
| Product Category | Wheel Seal |
| Quantity | 1 |
Interchanges & Equivalent parts:
| 1205B1250 |
| 1205P1212 |
| 307-0743 |
| 3070743 |
| 371-0043 |
| 372-7097 |
| 373-0143 |
| 373-0243 |
| 3730143 |
| 380025A |
| 46300 |
| 46300XT |
| 46304 |
| 46305 |
| A1205X1662 |
| HD702 |
| IMT370025A |
| MER0143 |
| TS65060U |
| 3730343 |
| HLC1072600 |
| RNT370025A |




















