National Seals Oil Bath Wheel Hub Seal, Point Contact, Rear/Drive Axle, Nitrile 37 Series, 5.5 in I.D., 7.25 in O.D., 1-3/16 in Width
#NAT370120A
Product Overview
The most dependable point contact seal in the market! This National® oil seal is designed to prevent lubricant leakage and contamination in heavy-duty truck wheel hubs. It features a patented Sure-Lock I.D. rib and is constructed of tough, abrasion-resistant nitrile for superior oil resistance and long life. Manufactured to meet or exceed OEM specifications, it ensures reliable performance in demanding applications. 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
- Metal O.D. maintains position on hub bore
- 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 its 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.
- Precision bearings rely on the oil seal to prevent lubricants from escaping the bearings or a specific area.
- Four Contact Points Act as a Barrier for Additional Protection.
Specifications
| Application | Rear/Drive Axle |
| Material | Nitrile |
| Seal I.D. | 5-1/2 in |
| Seal O.D. | 7-1/4 in |
| Series | 37 Series |
| Type | Point Contact Seal |
| Width | 1-3/16 in |
| Bore Size | 7.25 in |
| Product Line | Oil Bath Wheel Hub Seal |
| Seal Type | 3 |
| Shaft Size | 5.5 in |
| Shaft Type | Radial |
| Standards | Meets or Exceeds OEM Specifications |
| Manufacturer Part Number | 370120A |
| Product Category | Wheel Seal |
| Quantity | 1 |
Interchanges & Equivalent parts:
| 392-9053 |
| 3929053 |
| 55172 |
| 55175 |
| 55177 |
| A1205T724 |
| A1205T774 |
| A1205Z1820 |
| RNT370120A |
