NTN NS8660S Wheel Seal - Single Lip Spring Loaded Nitrile

The NTN NS8660S is a premium-quality wheel seal engineered to deliver reliable sealing performance for automotive wheel-end applications. Manufactured by National (an NTN brand), this seal features a spring-loaded single-lip design constructed from durable nitrile rubber for superior fluid retention and contaminant protection.

Key Features:

• Single-lip design with garter spring for consistent sealing pressure
• Nitrile rubber construction with 60-80 durometer hardness
• Type 48 bidirectional hydrodynamic seal design
• RediCoat proprietary sealant coating for proper sealing despite minor bore imperfections
• Solid construction (non-split design)
• Temperature range: -40°F to 225°F (-40°C to 107°C)
• Low swell characteristics in hydrocarbon fluids
• Maximum shaft surface speed: 3000 fpm

Specifications:

• Shaft/Inside Diameter: 1.399 inches (35.53mm)
• Outside Diameter: 2.296 inches (58.32mm)
• Overall Width: 0.460 inches (11.68mm)
• Housing Bore: 2.292 inches (58.22mm)
• Series: 8000

National has been manufacturing premium sealing solutions for over 75 years, providing trusted OEM-quality replacement parts. This wheel seal is designed to keep lubricants in and contaminants out, ensuring long-lasting bearing protection and optimal performance in demanding wheel-end applications across various vehicle makes and models.