The 10-56 Oil Seal is a heavy-duty, single-lip seal designed to retain lubrication and protect trailer axle components from dirt, water, and road debris. Ideal for use in oil-lubricated hub systems, this seal ensures long-lasting performance and protects your axle’s internal components from premature wear.

Features:

• Single-lip design provides reliable sealing in oil bath hub applications
• Constructed from durable nitrile rubber for resistance to oil, grease, and contaminants
• Steel casing ensures a secure fit in the hub bore
• Helps extend the life of bearings and spindles
• Easy to install and replace
• Trailer axle seal

Specifications:

• Part Number: 10-56
• Seal Type: Oil Seal
• Inner Diameter (ID): 3.125″
• Outer Diameter (OD): 4.500″
• Width: 0.500″
• Material: Nitrile rubber with metal case
• Temperature Range: –40°F to 250°F (–40°C to 121°C)
• Application: Oil-lubricated trailer hubs, heavy-duty axle systems, agricultural and industrial equipment

Fitment:

• Fits axles with 3.125″ spindles and 4.500″ hub bores
• Commonly found on 12,000–15,000 lb oil bath trailer axles
• Compatible with Dexter®, Lippert®, and similar hub systems
• Be sure to verify all measurements for proper fitment