The Timken Company 455136 Oil Seal

The Timken National Oil Seal 455136 is a single-lip, loaded-spring seal designed to retain lubricants while preventing dirt, moisture, and other contaminants from entering rotating shaft systems. It’s used in industrial gearboxes, pumps, electric motors, conveyors, and other heavy equipment, supporting equipment replacement, rebuilds, retrofits, and preventive maintenance to extend component life. Key specs include MPN 455136, Series 450000, material NBR (lip and seal) with a 60–80 durometer, shaft ID 2.250 in, OD 3.486 in, housing bore 3.481 in, and width 0.500 in, with a continuous operating temperature of −40°F to 225°F. Manufactured in the United States under the Timken brand, this oil seal is commonly employed in manufacturing equipment, off-highway machinery, oil refineries, and power transmission systems, and has SKF and Chicago Rawhide equivalents in the National 450000 series as common replacements.