Timken 470898 Manual Transmission Output Shaft Seal

Description:

The Timken 470898 Manual Transmission Output Shaft Seal is a multi-lip oil seal designed to retain transmission lubricant and prevent dirt, moisture, and other contaminants from entering manual transmission output shaft assemblies. It is commonly installed in manual transmissions, transfer cases, drivetrain assemblies, and power transmission systems used in commercial vehicles, industrial equipment, and off-highway machinery. Maintenance teams, OEMs, and industrial repair specialists use this seal for transmission repairs, replacement, rebuilds, and preventive maintenance to ensure leak-free operation and extend drivetrain service life.

Applications:

The Timken 470898 Manual Transmission Output Shaft Seal is used in manual transmission and transfer case applications where reliable sealing is required to protect internal bearings and retain transmission lubricant. It is widely used in commercial trucks, industrial power transmission equipment, construction machinery, agricultural equipment, and drivetrain assemblies to reduce lubricant leakage, prevent contaminant ingress, and maintain dependable transmission performance.

Technical Specifications:

• Manufacturer Part Number (MPN): 470898
• Manufacturer: Timken
• Brand: National
• Product Type: Manual Transmission Output Shaft Oil Seal
• Series: 470000
• Seal Type: Type 47
• Lip Type: Double Lip with Spring (Multi-Lip)
• Material: Nitrile (NBR)
• Construction: Solid Without Inner Case
• Redi-Coat: Yes
• Measurement System: Inch
• Shaft Diameter (ID): 2.125 in (53.975 mm)
• Outside Diameter (OD): 2.879 in (73.127 mm)
• Housing Bore: 2.875 in (73.025 mm)
• Width: 0.375 in (9.525 mm)
• Maximum Shaft Surface Speed: 3000 ft/min
• Misalignment Tolerance: 0.015 in at 800 rpm; 0.010 in at 4200 rpm
• Continuous Operating Temperature: -40°F to 225°F (-40°C to 107°C)
• Typical Applications: Manual Transmissions, Transfer Cases, General Purpose Rotating Equipment

Common Replacements:

• SKF 21100
• CR (Chicago Rawhide) Equivalent Oil Seal
• National 470000 Series Oil Seal