Timken National Oil Seal 455406

Description:

The Timken National Oil Seal 455406 is a single-lip oil seal designed to retain lubricants and prevent dirt, moisture, and other contaminants from entering rotating shaft systems. It is commonly installed in industrial gearboxes, pumps, electric motors, conveyor systems, heavy-duty vehicle axles, and power transmission equipment operating in demanding environments. 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 455406 is used in rotating equipment where dependable shaft sealing is essential for protecting bearings and lubricated components. It is widely applied in industrial gearboxes, pumps, electric motors, conveyor systems, mining equipment, construction machinery, and heavy-duty industrial machinery to reduce lubricant leakage, prevent contaminant ingress, and maintain reliable equipment operation.

Technical Specifications:

• Manufacturer Part Number (MPN): 455406
• Manufacturer: Timken
• Brand: National
• Product Type: Oil Seal
• Series: 450000
• Seal Type: Single Lip with Loaded Spring
• Design Type: Type 45
• Material: Nitrile (NBR)
• Construction: Solid with Inner Case
• Measurement System: Inch
• Shaft Diameter (ID): 7.750 in (196.85 mm)
• Outside Diameter (OD): 9.260 in (235.20 mm)
• Housing Bore: 9.250 in (234.95 mm)
• Width: 0.625 in (15.875 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: -40°F to 225°F (-40°C to 107°C)
• Typical Applications: General Purpose Rotating Equipment

Common Replacements:

• SKF Equivalent Oil Seal
• CR (Chicago Rawhide) Equivalent Oil Seal
• National 450000 Series Oil Seal