The Timken Company 415187 Radial Shaft Oil Seal

The Timken National 415187 radial shaft oil seal is a Type 41 dual‑lip nitrile seal designed to retain lubricant and prevent contaminants from entering bearing assemblies in industrial rotating equipment. Its steel case with inner case, Redi‑Coat finish, and 4.000 in shaft diameter to 4.881 in outside diameter (4.876 in housing bore, 0.625 in overall width) define the precise fit. Rated for up to 3000 ft/min shaft surface speed and 7 psi pressure, it operates across -40°F to 225°F (-40°C to 107°C) and is suitable for heavy‑duty gearboxes, pumps, electric motors, conveyors, and compressors. Manufacturer part number 415187, Series 410000; commonly replaced by SKF 415187, CR 415187, and National 415187.