SeaSense 50089816 Greaseable Roller Shaft 1/2" x 6-1/4" Zinc Plated

The SeaSense 50089816 is a 1/2" x 6-1/4" zinc-plated roller shaft engineered for boat trailer applications. This innovative shaft features a patented greaseable design that outlasts conventional roller shafts by allowing proper lubrication without removing the roller from the trailer.

Key Features:

• Patented design with grease fittings on both ends for easy maintenance
• Zinc-plated construction for corrosion resistance in marine environments
• 1/2" diameter x 6-1/4" length dimensions
• Compatible with keel rollers, spool rollers, and bow rollers
• Includes E-clips for secure installation
• Allows lubrication per manufacturer recommendations without roller removal

This greaseable shaft design significantly reduces maintenance time and extends roller life by ensuring consistent lubrication. The zinc plating provides excellent protection against rust and corrosion in saltwater and freshwater environments. Patent #D390167.