# 1711S Dunbier A1351 Mackay Bearing Set and Two-Part Seal Suits Trojan 2.2t Axle | Marine Trailer Part

🔧 Product Description

  

Dunbier Trojan 2.2-Tonne Bearing Set with Two-Part Marine Seal - Part Number: 1711S

  

A matched tapered-roller wheel-bearing service set for Trojan 65mm square-tube axle assemblies. The inner and outer bearing cones and cups are supplied with the specified hub seal so the complete bearing position can be renewed using components matched to the Dunbier axle family.

  

⚙️ Key Features

  

• Matched inner and outer tapered-roller bearings

• Includes the specified grease seal

• Designed for marine-trailer hub service

• Suitable for preventive maintenance or full bearing replacement

• Correct bearing family preserves spindle and hub fit

  

📏 Specifications

  

• Axle family: Trojan 65mm square-tube axle assemblies

• Included bearings: LM44649 cone / LM44610 cup and LM48548 cone / LM48510 cup

• Included seal: Trojan two-part seal PT10141 / Dunbier 1719

• Pack format: complete display-packed set

• Axle family rating: 2.2-tonne axle family

  

🔄 Cross Reference & Related Parts

  

• Dunbier: 1711S

• Mackay: A1351

• Bearing components: LM44649 cone / LM44610 cup and LM48548 cone / LM48510 cup

• Seal reference: Trojan two-part seal PT10141 / Dunbier 1719

  

🚤 Trailer Compatibility & Application

  

• Suits Trojan 65mm square-tube axle assemblies

• Confirm existing bearing numbers before dismantling where the trailer history is unknown

• Hub, spindle, seal journal and dust-cap dimensions must remain serviceable

  

🔌 Function

  

Supports the rotating hub on the fixed axle spindle while the seal retains grease and helps exclude water and road contamination.

  

Common signs of wear or replacement:

  

• Bearing rumble, roughness or heat at the hub

• Pitting, blue heat marks or corrosion on rollers and races

• Grease contaminated with water or metallic particles

• Excessive hub end float that cannot be adjusted correctly

• Seal leakage or water entry after launching

  

🛠️ Installation & Safety

  

• Replace bearing cups and cones as matched sets

• Clean the hub thoroughly and inspect the spindle before assembly

• Pack bearings completely with suitable wheel-bearing grease

• Install the seal squarely without damaging its lip or stainless mating ring

• Adjust bearing preload and fit a new axle split pin before road use

  

📦 Condition

  

• Genuine Dunbier Marine Products trailer component

• Brand new

• Supplied as one complete display-packed set bearing-and-seal set

• Supplied in original or equivalent packaging

## Details

- **Price:** 124.2 AUD
- **Vendor:** Dunbier
- **Tags:** Dunbier Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 124.20 AUD | In stock |

## Images

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

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/1711s-dunbier-bearing-set-two-part-seal-suits-trojan-2-2t-axle-mackay-a1351)
> Updated: 2026-08-03