National Seals Oil Bath Wheel Hub Seal, Rear/Drive Axle, Nitrile 37 Series, 4.25 in I.D. x 6.25 in O.D., 1-3/16 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 prevent lubricant leakage and contamination in heavy-duty truck rear and drive axles. Manufactured to meet or exceed OEM specifications, it offers superior containment exclusion, reduced friction buildup, and longer life. The seal's unique rubber I.D. and O.D. with patented Sure-Lock I.D. rib prevents bore and shaft leaks, while its metal O.D. maintains position on the hub bore. Ideal for precision bearing protection and fluid separation in demanding applications.
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.
- Components of machines rely on the oil seal to prevent abrasives, corrosive moisture and other harmful contaminants from entering the mechanics of the machine.
- Offers Superior Containment Exclusion, Reduced Friction Build Up and Longer Life Than Other Wheel Seals in it's Price Range.
- Manufactured to Meet or Exceed O.E.M. Specifications in Function, Form & Fit.
- Separation of fluids and gases may completely rely on the seal to prevent intermixture of two different mediums such as lubricating oil and water.
- Four Contact Points Act as a Barrier for Additional Protection.
Specifications
| Application | Rear/Drive Axle |
| Material | Nitrile |
| Seal I.D. | 4.25 in |
| Seal O.D. | 6.25 in |
| Series | 37 Series |
| Type | Oil Bath Wheel Hub Seal |
| Width | 1-3/16 in |
| Bore Size | 6.25 in |
| Seal Type | 11 |
| Shaft Size | 4.25 in |
| Shaft Type | Radial |
| Standards | Meets or exceeds OEM specifications |
| Manufacturer Part Number | 370031A |
| Product Category | Wheel Seal |
| Quantity | 1 |
Interchanges & Equivalent parts:
| 309-0904 |
| 3090904 |
| 380031A |
| 391-0004 |
| 392-9090 |
| 392-9112 |
| 392-9130 |
| 3929112 |
| 393-0104 |
| 393-0204 |
| 397-9704 |
| 42631 |
| 42671 |
| 42672 |
| 42673 |
| TS65071U |
| 12303845 |
| 29929 |
| 29946 |
| 370031AFDM |
| 4131197 |
| 4131225 |
| 4131229 |
| NA 370031A |
| NA-370031A |
| NME370031A |
| S-18142 |
| S-A233 |
| V370031A |
| 3202213 |
| 3909004 |
| 3909090 |
| 3910004 |
| 3929090 |
| 3930204 |
| 3979704 |
| 42672S |
| 65071U |
| CR42672 |
| CR42673 |
| MER0104 |
| R65071U |
| R69788 |
| R70788 |
| Z1026T |
| 3930104 |
| 18002001 |
| RNT370031A |
