4" × 3/4" Aluminum Sheave, 5/8" Oilite® Bronze Bushing – USA-Made (Runabout & Pontoon Lift)

4" × 3/4" Aluminum Sheave with 5/8" Oilite® Bronze Bushing – Made in USA Reliable Pulley for Runabout, Pontoon & Mid-Duty Boat-Lift Systems Enhance your mid-size boat lift with our 4" × 3/4" aluminum sheave, manufactured in the USA. The 5/8" Oilite® bronze bushing provides low-friction performance and pairs with common 5/8" axle bolts used on runabout and pontoon cradles. Key Features Made in USA Quality: Precision-machined and inspected for flawless rotation. 4" Diameter × 3/4" Width: Fits standard mid-duty pulley brackets. 5/8" Borehole: Matches 5/8" axle bolts—common on 4–6 K lb lifts. Oilite® Bronze Bushing: Self-lubricating, long-life insert fights galling. Marine-Grade Aluminum: Lightweight, corrosion-proof alloy stands up to salt. Cable Capacity: Up to 5/16" (7 × 19) aircraft cable. Product Description Built for Mid-Weight Craft: Ideal for 18-21′ bow-riders, pontoons and bay boats that need a robust yet efficient sheave. Simple Retrofit: Slides onto 5/8" axle ha