The Timken Company 475322N National Oil Seal

Description:

The Timken National Oil Seal 475322N is a multi-lip oil seal manufactured with a polyacrylate sealing lip for enhanced resistance to heat and lubricants while preventing dirt, moisture, and other contaminants from entering rotating shaft systems. It is commonly installed in industrial gearboxes, pumps, electric motors, conveyor systems, manufacturing equipment, and power transmission machinery operating under demanding conditions. Maintenance teams, OEMs, and industrial repair specialists use this oil seal for equipment replacement, rebuilds, retrofits, and preventive maintenance to improve sealing performance and extend component service life.

Applications:

The Timken National Oil Seal 475322N is designed for rotating equipment requiring dependable shaft sealing and improved resistance to elevated operating temperatures. It is widely used in industrial gearboxes, pumps, electric motors, conveyor systems, manufacturing equipment, agricultural machinery, and general power transmission systems to minimize lubricant leakage, prevent contaminant ingress, and maintain reliable equipment operation.

Technical Specifications:

• Manufacturer Part Number (MPN): 475322N
• Manufacturer: Timken
• Brand: National
• Product Type: Oil Seal
• Series: 470000
• Seal Type: Double Lip with Spring
• Design Type: Type 47
• Material: Polyacrylate (ACM)
• Lip Material: Polyacrylate (ACM)
• Construction: Solid Without Inner Case
• Redi-Coat: Yes
• Measurement System: Inch
• Shaft Diameter (ID): 2.750 in (69.850 mm)
• Outside Diameter (OD): 3.548 in (90.120 mm)
• Housing Bore: 3.543 in (90.000 mm)
• Overall Width: 0.500 in (12.700 mm)
• Maximum Shaft Surface Speed: 3000 ft/min
• Misalignment Tolerance: 0.015 in at 800 rpm; 0.010 in at 4200 rpm
• Continuous Operating Temperature: -20°F to 300°F (-29°C to 149°C)
• Typical Applications: General Purpose Rotating Equipment, Industrial Gearboxes, Power Transmission Systems

Common Replacements:

• SKF Equivalent Polyacrylate Oil Seal
• CR (Chicago Rawhide) Equivalent Oil Seal
• National 470000 Series Oil Seal