3239 Dunbier Single 12" Roller Bracket and Legs | Marine Trailer Part

🔧 Product Description

Genuine Dunbier Marine Products Single Roller Bracket and Legs for 12" Roller – Part Number: 3239

A galvanised single long-roller bracket with legs fitted with 0 12-inch no roller supplied rollers. The assembly supports and guides the boat hull during launch and retrieval.

⚙️ Key Features

• No roller supplied roller construction
• 0-roller single long-roller bracket with legs
• Galvanised marine-trailer bracket
• Roller rotates to reduce hull drag during loading
• Suitable for replacement or trailer-support adjustment

📏 Specifications

• Nominal roller size: 12-inch
• Roller quantity: 0
• Roller material/colour: No roller supplied
• Leg length: Follow supplied bracket configuration
• Supply: bracket and legs only; roller and shaft are not included

🔄 Cross Reference & Related Parts

• Compatible rubber roller family: Dunbier 3240
• Bracket-only without legs: Dunbier 3238

🚤 Compatibility & Application

• Compatible Dunbier trailer roller stations matching the bracket width, leg spacing and roller shaft size
• Position rollers under structurally supported hull areas
• Set neighbouring rollers to share the hull load rather than creating isolated pressure points
• Confirm the assembly clears strakes, chines, transducers and hull fittings
• Use the correct roller shaft, washers and retaining clips

🔌 Function

Supports the hull and allows it to roll across the trailer with reduced friction while helping maintain centreline alignment.

⚠️ Common Signs of Failure

• Roller is cracked, worn flat, swollen or seized
• Bracket or legs are bent
• Roller shaft or holes develop excessive play
• Retaining hardware is missing
• Hull contacts the metal bracket

📦 Condition

• Genuine Dunbier Marine Products part
• Brand new
• Supplied in original or equivalent packaging