The Timken Company 55548 Radial Shaft Oil Seal

Description:

The Timken National Oil Seal 55548 is a single-lip radial shaft oil seal designed to retain lubricants while preventing dirt, moisture, and other contaminants from entering rotating shaft systems. Manufactured with a leather sealing lip and a steel case, it is intended for oil-lubricated equipment operating at moderate speeds where traditional leather sealing materials are preferred. It is commonly used in industrial gearboxes, agricultural machinery, construction equipment, pumps, and heavy-duty power transmission applications.

Applications:

The Timken National Oil Seal 55548 is designed for rotary shaft sealing applications requiring dependable lubricant retention and contaminant exclusion. Its single-lip leather seal is suitable for industrial gearboxes, agricultural equipment, construction machinery, pumps, heavy-duty axles, and general rotating equipment operating in oil-lubricated environments.

Technical Specifications:

• Manufacturer Part Number (MPN): 55548
• Manufacturer: Timken
• Brand: National
• Product Type: Oil Seal
• Series: 50000 Series
• Seal Type: Single Lip
• Cross Section Type: Type 5L
• Lip Material: Leather
• Case Material: Steel
• Measurement System: Inch
• Shaft Diameter (ID): 3.000 in (76.200 mm)
• Housing Bore: 4.626 in (117.500 mm)
• Outside Diameter (OD): 4.631 in (117.630 mm)
• Overall Width: 0.500 in (12.700 mm)
• Operating Temperature: -50°F to 200°F (-46°C to 93°C)
• Construction: Solid Metal Case with Leather Sealing Lip
• Typical Applications: Industrial Gearboxes, Agricultural Equipment, Pumps, Construction Machinery, Heavy-Duty Power Transmission Equipment.

Common Replacements:

• SKF Equivalent Leather Oil Seal
• CR (Chicago Rawhide) Equivalent Oil Seal
• National 5L Series Oil Seal