Timken National Oil Seal 455253

Description:

The Timken National Oil Seal 455253 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 455253 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, manufacturing equipment, mining machinery, and power transmission systems to reduce lubricant leakage, prevent contaminant ingress, and maintain reliable equipment operation.

Technical Specifications:

• Manufacturer Part Number (MPN): 455253
• 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
• Redi-Coat: Yes
• Measurement System: Inch
• Shaft Diameter (ID): 2.000 in (50.80 mm)
• Outside Diameter (OD): 3.548 in (90.12 mm)
• Housing Bore: 3.543 in (90.00 mm)
• Width: 0.500 in (12.70 mm)
• Continuous Operating Temperature: -40°F to 225°F (-40°C to 107°C)
• Weight: 0.201 lb (0.091 kg)
• Typical Applications: Industrial Gearboxes, Pumps, Electric Motors, Conveyor Systems, Power Transmission Equipment

Common Replacements:

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