The Timken Company 475009N Rotating Shaft Seal

Description:

The Timken 475009N Seal is a multi-lip oil seal manufactured with a polyacrylate (ACM) sealing lip for enhanced resistance to heat, oxidation, 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 475009N Seal 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): 475009N
• 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)
• Lip Type: Multi-Lip with Spring
• Construction: Solid Without Inner Case
• Redi-Coat: Yes
• Measurement System: Inch
• Shaft Diameter (ID): 2.750 in (69.850 mm)
• Outside Diameter (OD): 3.881 in (98.577 mm)
• Housing Bore: 3.876 in (98.450 mm)
• Overall Width: 0.469 in (11.913 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)
• Weight: 0.29 lb (0.13 kg)
• 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