Overview
The Timken National 476281 is a high-performance industrial seal engineered for demanding machinery applications. Manufactured by Timken, a global leader in bearings and motion control products, this seal features a 2.750″ shaft diameter (bore), 4.125″ outer diameter, and 0.562″ width. The Timken National product line is recognized for precision engineering and durability in industrial sealing environments.
Key Features
- Precision-engineered industrial shaft seal for machinery and equipment
- Standard Timken National construction for reliable long-term performance
- New condition, factory sealed in original packaging
- Direct replacement for OEM and maintenance applications
- In-stock availability for quick deployment
Technical Specifications
The seal features the following dimensional and performance characteristics:
- Shaft Diameter (Bore): 2.750 inches
- Outer Diameter (OD): 4.125 inches
- Width: 0.562 inches
- Manufacturer: Timken (National brand)
- Part Number: 476281
- Condition: New in original packaging
Typical Applications
Timken National seals are used across a wide range of industrial machinery, including hydraulic systems, gearboxes, pumps, and rotating equipment where shaft sealing is critical. These seals are suitable for applications requiring:
- Oil and fluid containment
- Contamination exclusion
- Long service intervals between maintenance cycles
- Cost-effective machinery operation
Compatibility & Replacements
Compatible With
- Industrial machinery with 2.750″ shaft diameters
- Gearbox and pump assemblies
- Hydraulic and pneumatic systems
- Standard bearing isolators and seal housings
Replaces / Drop-In Replacement For
This unit is a direct replacement for equipment originally specified with Timken National 476281 seals. Verify mounting surface and seal housing compatibility with your system integrator or equipment documentation before ordering.
Works With
- Standard seal housings and shaft sleeves
- Timken Redi-Sleeves for shaft repair and protection
- Industrial bearing isolator systems
- OEM maintenance and repair applications
















