# 1707S Dunbier Bearing Set and Seal Slimline | Marine Trailer Part

🔧 Product Description

  

Dunbier Slimline Bearing Set with Standard Seal - Display Pack - Part Number: 1707S

  

A matched tapered-roller wheel-bearing service set for 45mm and 50mm square Dunbier slimline axles. 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: 45mm and 50mm square Dunbier slimline axles

• Included bearings: L68149 cone / L68110 cup and LM12749 cone / LM12710 cup

• Included seal: Ford/slimline oil seal 1706

• Pack format: display pack

  

🔄 Cross Reference & Related Parts

  

• Dunbier: 1707S

• Bearing components: L68149 cone / L68110 cup and LM12749 cone / LM12710 cup

• Seal reference: Ford/slimline oil seal 1706

• Bulk workshop pack: Dunbier 1707B

• Two-part marine-seal kit: Dunbier 1712 / Mackay A1352

  

🚤 Trailer Compatibility & Application

  

• Suits 45mm and 50mm square Dunbier slimline axles

• 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 display pack bearing-and-seal set

• Supplied in original or equivalent packaging

## Details

- **Price:** 19.5 AUD
- **Vendor:** Dunbier
- **Tags:** Dunbier Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 19.50 AUD | In stock |

## Images

- 1707S Dunbier Bearing Set and Seal Slimline | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/1707s-dunbier-bearing-set-seal-slimline)
> Updated: 2026-08-05