10-51 – Unitized Oil Seal

The 10-51 Unitized Oil Seal is designed for heavy-duty trailer and axle applications where superior sealing performance is critical. This all-in-one seal features an integrated sealing lip and wear surface, offering leak-free protection against oil loss and contamination. Its unitized design prevents wear on the spindle surface, making it ideal for high-mileage and industrial use.

Features:

• Unitized design combines seal and wear sleeve into a single, easy-to-install assembly
• Provides exceptional sealing and shaft protection—ideal for oil-lubricated hub systems
• Double-lip design ensures reliable sealing against contaminants and fluid loss
• Made from nitrile rubber and durable steel for high resistance to heat, oil, and road debris
• Pre-lubricated for faster installation and reduced downtime

Specifications:

• Part Number: 10-51
• Seal Type: Unitized oil seal
• Inner Diameter (ID): 2.250″
• Outer Diameter (OD): 3.376″
• Width: 0.500″
• Material: Nitrile rubber with steel wear surface
• Application: Oil-lubricated hubs, trailer axles, agricultural and industrial equipment
• Temperature Range: –40°F to 250°F (–40°C to 121°C)

Fitment:

• Fits axles with 2.250″ spindles and hub bores of 3.376″
• Common on 9,000–10,000 lb oil-bath trailer axles
• Compatible with Dexter®, Lippert®, and other oil-lubricated axle assemblies
• Always verify dimensions and compatibility before ordering