The Timken Company 415938 Radial Shaft Oil Seal

Timken National 415938 is a Type 41 multi-lip radial shaft oil seal with a steel case and inner case, engineered to retain lubricant and block contaminants from bearing assemblies in heavy‑duty rotating equipment. It is commonly used in industrial gearboxes, pumps, electric motors, conveyors, compressors, and mining equipment where reliable shaft sealing supports equipment reliability and reduces lubricant loss. Key specifications include: MPN 415938; Series 410000; Lip configuration: multi-lip with spring; Lip material: nitrile (NBR); Shaft diameter: 5.375 in (136.525 mm); Outside diameter: 6.632 in (168.453 mm); Housing bore: 6.624 in (168.250 mm); Overall width: 0.562 in (14.275 mm); Redi-Coat: Yes; Maximum shaft surface speed: 3000 ft/min; Misalignment tolerance: 0.015 in at 800 rpm and 0.010 in at 4200 rpm; Operating temperature range: -40°F to 225°F (-40°C to 107°C). Common replacements: SKF 415938; CR 415938; National 415938.