Beefy 4 Inch Aluminum Sheave With Bronze Bushing For Boat Lifts Heavy Duty Guide Wheel 6061 T6 Aluminum Three Quarter Inch Bore Seven Sixteenth Inch Cable Groove Bushing Accepts Three Quarter Inch Axle Bolt Up To Five Sixteenth Inch Cable
✔️ 4x4x5/8in thick, bore 3/4in, groove 7/16in, fits 5/16in cable
The 4 inch Aluminum Sheave with Bronze Bushing is a rugged, single-unit boat-lift pulley designed to guide lift cables in marine setups. Built from 6061-T6 USA marine-grade aluminum, it resists corrosion and handles saltwater environments. This component is a staple in boat lifts, dock gear, and other marine winching systems where a reliable cable guide is needed.
✅ Fits boat lift cable up to 5/16 inch diameter
✅ Bronze bushing with 3/4 inch bore for secure axle mounting
✅ 6061-T6 USA marine-grade aluminum construction for corrosion resistance
✅ Overall size 4 x 4 x 5/8 inches with 7/16 inch cable groove
💡 What is a marine pulley bearing used for in boat lift systems?
This handy component keeps lift cables aligned and reduces wear in salty marine environments.
- Use-case: guides lift cables and reduces wear - Material: 6061-T6 aluminum with bronze bushing - Mounting: accepts 3/4 inch axle bolt for secure mounting - Applications: boat lifts, deck gear, winches