Timken National Oil Seal 380023A

Description:

The Timken National 380023A oil seal is a PTFE wheel end oil seal used in heavy-duty drive axle sealing systems to retain lubricant and protect bearings from contaminants. Commonly installed in commercial truck drive axles, heavy-duty trailers, fleet vehicles, and industrial transport equipment operating with oil bath wheel hubs. Maintenance teams, fleet operators, and OEMs use this seal for preventive maintenance, axle repair, and seal replacement to reduce lubricant leakage and extend wheel end bearing life.

Applications:

The Timken National 380023A oil seal is designed for heavy-duty drive axle wheel end applications requiring reliable lubricant retention and contaminant exclusion. It is widely used in commercial trucks, trailers, fleet maintenance operations, and industrial transport equipment with oil bath wheel hubs to improve bearing protection, reduce maintenance intervals, and ensure dependable axle performance.

Technical Specifications:

• Manufacturer Part Number (MPN): 380023A
• Manufacturer: Timken National
• Product Type: Wheel end oil seal
• Seal Type: PTFE oil bath seal
• Series: National 38 Series
• Lip Material: PTFE (Polytetrafluoroethylene)
• Lip Type: Quadruple lip without spring
• Shaft Diameter: 3.875 in
• Outside Diameter: 5.706 in
• Overall Width: 0.770 in
• Installation: Solid, hand-installed
• Typical Application: Heavy-duty drive axle wheel hubs
• Operating Temperature Range: -100°F to 450°F (-73°C to 232°C)

Common Replacements:

• SKF 38776
• Stemco 393-0212
• Triseal 65552