20 Pack Hella Tough PTFE Bearing Washers And Plastic Spacer Sleeves For RC Boat Shafts Smooth Friction Reducing Pads Rock Solid Replacement Parts 4Mm Inner Bore With Rust Proof Coating

20 Pack PTFE Bearing Washers for RC Boat Shaft Systems
✔️ 9mm OD, 2mm Thick, 4mm Inner Bore, RC Marine Grade Pads

These flat spacer pads sit inside rc boat hulls and drive shaft tunnels to reduce rubbing noise and stop metal from grinding against plastic components. You can slip them over rudder stems and propeller axles to hold steady gap distances while blocking water intrusion.

✅ PTFE material glides over steel driveshafts without binding
✅ Reduces shaft friction and cushions vibration during high runs
✅ Standard four millimeter opening aligns with rc marine hardware
✅ Budget friendly twenty piece pack covers multiple handy repair jobs

💡 How do rc boat drive bushings extend propeller shaft life?

Tight clearances stop hull vibrations dead, so dropping in fresh pads keeps your transmission running smooth.

- Select low friction liners that shed debris easily

- Double check the four millimeter bore against your model manual

- Replace aging kits regularly to keep water out of sealed housings

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