Overview
The Timken 471554 is a multi-lip plain round oil seal engineered for industrial power transmission and bearing protection. Part of the proven National 470000 series, this seal combines durable construction with proven performance in demanding machinery applications. The loaded spring design ensures consistent contact pressure and reliable sealing across a wide operating range.
Key Features
- Multi-lip design with loaded spring for consistent sealing performance
- Nitrile lip material rated 60-80 durometer for durability and flexibility
- Wide temperature range: -40°F to +225°F continuous operation
- Type 47 cross section for precision fit and minimal shaft wear
- Proven National brand reliability across industrial equipment
Technical Specifications
The seal is designed to prevent lubricant escape and block contaminant entry in rotating shaft applications. Its compact profile makes it suitable for tight bearing housings while maintaining robust sealing integrity.
Typical Applications
- Bearing isolators and protection in industrial machinery
- Oil containment in gearbox and motor bearings
- Shaft sealing in pumps, compressors, and motors
- Power transmission equipment requiring reliable fluid retention
- Food processing, textile, and general industrial equipment
Compatibility & Replacements
Compatible With
- Bearing housings with 3/4″ shaft diameter
- Industrial machinery requiring oil seals in the 0.75″ ID x 1.379″ OD envelope
- Equipment specified for National 470000 series seals
- General industrial and agricultural equipment
Replaces / Drop-In Replacement For
- Other National 470000 series seals with identical dimensions
- OEM seal specifications calling for 3/4″ ID x 1.379″ OD multi-lip seals
- Equivalent aftermarket seals in the same size class
Works With
- Standard bearing isolator and housing assemblies
- Shaft repair and maintenance kits
- Industrial equipment OEM specifications and engineering documentation
