Overview
The 4″ (~100 mm) Blue Nylon Centre Roller (Part No. 91311) is precision-machined from durable HDPE nylon—designed specifically for aluminium boat trailers. Featuring a standard 17 mm bore, this high-strength roller delivers non-marking performance and long-term reliability.
Key Features
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Roller width: 100 mm (4″) — compact yet robust
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Bore size: 17 mm — fits standard spindle brackets
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Material: Blue nylon (HDPE) — non-marking, abrasion-resistant, UV-proof
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Ideal for aluminium boats — engineered to resist wear from hard hulls
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Fast dispatch from QLD with 12‑month manufacturer warranty included
Applications
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Recommended for keel guidance or bow support on aluminium trailers
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Easy replacement option for worn or weathered nylon or rubber rollers
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Reliable performance across frequent launching cycles
Specifications
| Feature | Details |
|---|---|
| Width | 4″ (~100 mm) |
| Bore Size | 17 mm |
| Material | Blue Nylon (HDPE), non-marking |
| Profile | Solid, flat roller |
| Part Number | 91311 |
Benefits
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Excellent against rubbing and impact from aluminium hull contact
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Smooth, non-marking finish protects gelcoat and metal surfaces
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In stock and ready to ship across Australia from QLD
Shipping is calculated at checkout based on your location.