Overview
The 6″ (≈152 mm) Blue Nylon Self‑Centring Centre Roller (Part No. 91313) is precision-machined from solid HDPE nylon. Built tough for aluminium boats and trailers, its concave profile with centering grooves guides the hull into alignment during launch and retrieval. Designed for standard 17 mm bore spindles, this roller is easy to install and built to last.
Key Features
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152 mm (6″) width – robust support for keel alignment
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17 mm bore – fits most trailer spindle setups
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Blue HDPE nylon – non-marking, UV-stable, wear-resistant
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Self‑centering profile – grooves gently guide hull into center
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Australian-tested design – ideal for aluminium hulls with long service life
Applications
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Perfect on bow or intermediate roller locations to improve alignment
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Designed for use with aluminium boats and non-marking roller systems
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Effective retrofit for worn or low-performing rollers
Specifications
| Feature | Detail |
|---|---|
| Roller Width | 6″ (~152 mm) |
| Bore Size | 17 mm |
| Material | Blue HDPE nylon, non-marking |
| Profile | Self-centering concave with grooves |
| Part Number | 91313 |
Benefits
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Durable nylon resists cracking and abrasion, protecting gelcoat surfaces
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Self-aligning grooves improve launch setup, reducing manual adjustment
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Ships quickly from Queensland and includes a 12-month manufacturer warranty
Shipping is calculated at checkout based on your location.