The Timken Company 455144 Radial Shaft Oil Seal

The Timken National Oil Seal 455144 is a single-lip, spring-loaded shaft seal designed to retain lubricants and prevent dirt, moisture, and other contaminants from entering rotating shaft systems. It is used in industrial gearboxes, pumps, electric motors, conveyor systems, manufacturing equipment, mining machinery, and power transmission setups where dependable sealing protects bearings and lubricated components in demanding environments. Key specifications include shaft diameter 2.875 in (73.025 mm), outer diameter 4.504 in (114.402 mm), housing bore 4.499 in (114.275 mm), and width 0.468 in (11.887 mm); material and lip material are Nitrile (NBR); construction Solid with Inner Case; Redi-Coat yes; measurement system inch; maximum shaft surface speed 3000 ft/min; misalignment tolerance 0.015 in at 800 rpm and 0.010 in at 4200 rpm; continuous operating temperature -40°F to 225°F (-40°C to 107°C). It belongs to Series 450000, with MPN 455144, and is commonly used as a replacement for SKF and CR equivalents or other National 450000 series seals.