The Timken Company 455079 Radial Shaft Oil Seal

Timken 455079 radial shaft oil seal is a single-lip, spring-loaded seal designed to retain lubricants and block dirt, moisture, and other contaminants from entering rotating shaft assemblies. It features a solid inner-case construction, an inch-based size with a 2.500 in shaft diameter (63.50 mm) and 3.756 in outside diameter (95.40 mm), plus a 0.500 in width (12.70 mm) housing bore of 3.751 in (95.28 mm). The lip and seal material are nitrile (NBR), with a Type 45 design in the 450000 series, identified as a National Oil Seal. This Timken oil seal handles speeds up to 3000 ft/min and tolerates misalignment of 0.015 in at 800 rpm or 0.010 in at 4200 rpm, making it suitable for demanding equipment. Its continuous operating temperature range is -40°F to 225°F (-40°C to 107°C), and it weighs 0.40 lb. Commonly used in industrial gearboxes, pumps, electric motors, conveyor systems, manufacturing equipment, mining machinery, and power transmission systems to reduce lubricant leakage and prevent contaminant ingress; it is commonly employed for equipment replacement, rebuilds, retrofits, and preventive maintenance in rotating equipment requiring reliable shaft sealing.