4″ Galvanised Single‑Post Centre Roller Bracket – Suits 18 mm Stem & 16 mm Pin (P/N 92049)

Overview
Engineered for compact trailer installations, this 4‑inch galvanised single‑post centre roller bracket (Part Number 92049) fits an 18 mm square stem and supports standard 16 mm spindle rollers. Ideal for small boat trailers, jet ski trailers, and marine support rigs, it provides corrosion-resistant durability and easy bolt-on installation.

Key Features

• Single‑post design – Direct bolt-on to 18 mm square post (commonly used in centre-line setups)

• Marine-grade galvanising – Long-lasting rust protection suitable for saltwater

• Roller compatible – Fits 4″ keel or flat rollers with 16 mm bore

• Simple installation – Bolt directly into your trailer frame brackets

• Australian marine fit – Sized to match common local trailer hardware dimensions

Applications

• Ideal for small-size trailers and watersport gear support

• Compact setup for 100 mm rollers requiring 16 mm spindles

• Suitable for aluminium and steel trailer cross-members

Included

• 1 × Galvanised 4″ Single‑Post Centre Roller Bracket (P/N 92049)
  Roller, spindle, washers, and bolts are sold separately.

Specifications

Shipping & Warranty
In stock and ships from Queensland within 1 business day. Includes a 12‑month replacement warranty and Australia‑wide courier delivery.