Timken National Oil Seal 455136

Description:

The Timken National Oil Seal 455136 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 equipment, and power transmission machinery 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 455136 is used in rotating equipment where reliable shaft sealing is essential for protecting bearings and lubricated components. It is widely applied in industrial gearboxes, pumps, electric motors, conveyor systems, manufacturing equipment, off-highway machinery, oil refineries, and power transmission systems to reduce lubricant leakage, prevent contaminant ingress, and maintain dependable equipment operation.

Technical Specifications:

• Manufacturer Part Number (MPN): 455136
• Manufacturer: Timken
• Brand: National
• Product Type: Oil Seal
• Series: 450000
• Seal Type: Single Lip with Loaded Spring
• Design Type: Type 45
• Material: Nitrile (NBR)
• Lip Material: Nitrile
• Durometer: 60 to 80
• Construction: Plain Round Oil Seal
• Measurement System: Inch
• Shaft Diameter (ID): 2.250 in
• Outside Diameter (OD): 3.486 in
• Housing Bore: 3.481 in
• Width: 0.500 in
• Continuous Operating Temperature: -40°F to 225°F (-40°C to 107°C)
• Country of Origin: United States
• Typical Applications: Manufacturing Equipment, Off-Highway Equipment, Oil Refineries, Power Transmission Systems

Common Replacements:

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