1705 Dunbier Oil Seal Suits 50mm Axle Bulk | Marine Trailer Part

🔧 Product Description

Dunbier Oil Seal for 50mm Axle Hubs - Part Number: 1705

A replacement single-piece hub oil seal for selected 50mm axle and hub assemblies. The elastomer sealing lip runs on the axle seal journal while the outer shell is pressed into the hub, retaining bearing grease and limiting entry of water and road contamination.

⚙️ Key Features

• Single-piece grease/oil seal

• Designed for trailer wheel-hub service

• Retains wheel-bearing lubricant

• Helps exclude water, dust and grit

• Replacement should accompany bearing or hub overhaul when the old seal is disturbed

📏 Specifications

• Exact dimensions must match the original 50mm-axle hub seal

• Seal type: Press-fit single-piece radial lip seal

• Material and lip profile follow the supplied Dunbier specification

• Hub and spindle sealing surfaces must be smooth and correctly sized

🔄 Cross Reference & Related Parts

• Dunbier: 1705

• Commonly supplied as a workshop/bulk seal

• Confirm whether the hub requires a conventional single-lip seal or a two-part marine seal

🚤 Trailer Compatibility & Application

• Suits selected 50mm axle and hub assemblies

• Confirm existing seal dimensions and axle family before installation

• A conventional seal is not interchangeable with a two-part marine seal unless the hub and spindle are designed for the alternate system

🔌 Function

Forms the grease barrier between the rotating hub and stationary spindle.

Common signs of wear or replacement:

• Grease leakage onto the rear of the hub or rotor

• Water-contaminated or milky grease

• Hardened, cracked or torn sealing lip

• Groove or rust on the spindle seal journal

• Seal is distorted during hub removal

🛠️ Installation & Safety

• Always replace a removed or damaged seal

• Press squarely using a driver that contacts the outer shell

• Lubricate the sealing lip before installing the hub

• Do not hammer directly on the lip or spring

• Check spindle journal condition before reassembly

📦 Condition

• Genuine Dunbier Marine Products trailer component

• Brand new

• Supplied as one replacement hub oil seal

• Supplied in original or equivalent packaging