3000B Dunbier Roller Pin 16mm Suits 6" Bulk | Marine Trailer Part

🔧 Product Description

Dunbier Bulk Roller Pin for 6" Rollers – Part Number: 3000B

A galvanised steel roller shaft sized for 6-inch dogbone, parallel and self-centring rollers. The pin passes through the trailer bracket and roller bore, providing the axle on which the roller turns.

⚙️ Key Features

• Galvanised steel construction
• Nominal pin diameter: 16mm
• Approximate overall length: approximately 200mm
• Designed for 6-inch dogbone, parallel and self-centring rollers
• Supply format: bulk individual

📏 Specifications

• Diameter: 16mm
• Length: approximately 200mm
• Retention hardware may include washers, split pins, R-clips or nuts depending on the installed bracket
• Measure bracket outside width and roller bore before ordering

🔄 Cross Reference & Related Parts

• Dunbier: 3000B
• Roller and bracket are sold separately unless specifically packaged together
• Use only a pin whose diameter and usable length match the assembly

🚤 Trailer Compatibility & Application

• Suitable for 6-inch dogbone, parallel and self-centring rollers
• Not interchangeable with a smaller or larger pin merely because the roller length is similar
• Bracket holes must remain round and aligned

🔌 Function

Forms the rotating shaft for the trailer roller and transfers hull load into the roller bracket.

⚠️ Common Signs of Failure

• Pin is bent, deeply grooved or worn undersize
• Galvanising is lost and heavy corrosion is present
• Retaining holes or threads are damaged
• Roller binds because the pin is distorted
• Bracket holes have worn into the pin

🛠️ Installation & Safety

• Support the boat before removing a load-bearing pin
• Replace worn washers and retaining hardware
• Fit the pin squarely through aligned bracket holes
• Confirm the roller turns freely
• Secure both ends using the original retention method

📦 Condition

• Brand new Dunbier Marine Products trailer component
• Supplied as one bulk individual roller pin
• Supplied in original or equivalent packaging