A1351 Mackay 1711S Dunbier Bearing Set & Two-Part Seal Suits Trojan 2.2T Axle | Marine Trailer Part

🔧 Product Description

Genuine Mackay Marine Trailer Products Trojan 2.2T Marine Bearing Set with Two-Part Seal – Part Number: A1351

A bearing and marine-seal kit for compatible Trojan 65mm square 2.2-tonne axle and hub systems.

⚙️ Key Features

• Complete wheel-bearing service set for one hub
• Tapered roller bearings support radial and thrust loads
• Marine two-part seal helps limit water entry and grease loss
• Suitable for scheduled maintenance or hub repair
• Allows the original hub to be retained when serviceable

📏 Specifications

• Bearing configuration: Trojan heavy-duty LM48548/LM48510 and LM44649/LM44610 family
• Seal type: Trojan two-part marine seal
• Tapered bearing cups and cones must be replaced as matched sets
• Bearing numbers engraved on the removed components remain the primary fitment check

📋 Supplied Components

• 1 × Heavy-duty inner bearing set
• 1 × Outer bearing set
• 1 × Trojan two-part marine seal

🔄 Cross Reference & Related Parts

• Dunbier cross reference: 1711S
• Trojan two-part seal only: Mackay A1359 / Dunbier 1719

🚤 Compatibility & Application

• Trojan 2.2T hubs and axle stubs using the matching engraved bearing numbers
• Clean and inspect the stub-axle journals, hub bores and seal surface before installation
• Pack bearings fully with compatible marine wheel-bearing grease
• Set axle-nut preload so the hub rotates freely without measurable looseness
• Fit a new split pin and dust cap after adjustment

🔌 Function

Supports smooth wheel rotation on the axle stub while the seal retains grease and limits water contamination.

⚠️ Common Signs of Failure

• Bearing is noisy, rough, overheated or discoloured
• Wheel has excessive end play
• Races are pitted, flaked or scored
• Grease is milky or contaminated with water
• Seal leaks or no longer grips the axle sealing surface

📦 Condition

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