The Timken Company 417205 Radial Shaft Oil Seal

The Timken National 417205 radial shaft oil seal is designed to retain lubricants and prevent contaminants from entering rotating equipment, making it suitable for general-purpose industrial sealing in gearboxes, pumps, electric motors, conveyors, and compressors. It uses a Type 41 dual-lip seal with one spring and a nitrile (NBR) sealing element inside a steel case with an inner case, and features Redi-Coat for easier installation. Key specifications include a shaft diameter of 3.750 in (95.250 mm), outside diameter 4.881 in (123.977 mm), housing bore 4.875 in (123.825 mm), and overall width 0.500 in (12.700 mm). The seal is rated for up to 3000 ft/min shaft surface speed and 7 psi, with misalignment tolerance of 0.015 in at 800 rpm and 0.010 in at 4200 rpm, and an operating temperature range of -40°F to 225°F (-40°C to 107°C). MPN 417205 from Timken National; part of the 410000 series. Common replacements include SKF 37433, CR 417205, and National 417205.