Aqualube Brass Bearing For Water Lubricated Shafts With Longitudinal Grooves Heavy Duty Marine Grade Replacement 4-1/2 Inch I D 5-5/8 Inch O D 18 Inch Length Part No 674N-1978
✔️ 4.5 in ID, 5.625 in OD, 18 in long (114.3/142.9/457.2 mm)
This water-lubed bearing is designed for marine shaft systems with longitudinal grooves that create a hydrodynamic water film, cutting wear and damping shocks. Made from corrosion-resistant stainless steel, it stands up to saltwater and onboard use. Its compact, portable design fits tackle boxes and equipment kits for routine boating tasks.
✅ Water-lubed bearing for shafts with longitudinal grooves
✅ Stainless steel marine-grade construction resists corrosion
✅ Hydrodynamic water film reduces shock, vibration, and wear
✅ Part No 674N-1978 for replacement
💡 What is a water-lubed bearing used for in marine shaft assemblies? A handy component that keeps shafts running smoothly in wet environments.
- Handy for boats, ships, and marine equipment shaft runs
- Reduces friction and wear by forming a hydrodynamic water film
- Dampens noise and vibration in salty water applications
- Compatible with ceramic bearings and sealed ball bearings