The 91603 Roller Spindle is a zinc-plated steel spindle designed for compatible boat trailer roller and bracket assemblies. Measuring 145mm long × 16mm diameter, it is specifically to suit a 4½" flat roller bracket. The corrosion-resistant zinc finish makes it suitable for marine trailer applications and provides a practical replacement for worn, bent or heavily corroded roller spindles.
Boat Trailer Spindles/Roller Pins
Zinc-Plated Roller Spindle – 145mm × 16mm
SKU: V-91603
$5.95
Key benefits
Key Benefits
- 145mm / 5.71" overall spindle length
- 16mm / 0.630" spindle diameter
- Designed to suit a 4½" flat roller bracket
- Zinc-plated finish for improved corrosion resistance
- Suitable for compatible 17mm-bore rollers
- Strong steel construction
- Suitable for keel, bow and flat roller installations where dimensions match
- Ideal replacement for worn, bent or corroded roller pins
Dimensions
- Overall Length: 145mm / 5.71" (approx. 5-11/16")
- Spindle Diameter: 16mm / 0.630" (approx. 5/8")
- Bracket Size: 4½" / 114.3mm nominal
Suitable Applications
- The 91603 is suitable for compatible boat trailers, keel roller assemblies, bow roller assemblies, flat roller brackets and other 16mm roller-pin installations. Its zinc-plated construction makes it particularly useful for trailer maintenance and replacement applications where the existing spindle has become worn or corroded.
Important Fitment Information
- Before ordering, confirm the existing spindle's overall length and diameter, as well as the roller bore, roller width and bracket spacing. For the 91603, the critical dimensions are 145mm overall length × 16mm diameter.
Signs the Roller Spindle Needs Replacing
- Replace the spindle if it is bent, heavily corroded, deeply grooved or worn undersize, has damaged retaining points, or prevents the roller from rotating smoothly. When replacing a spindle, also inspect the roller bore, bracket, washers and retaining hardware for wear or damage.
Shipping
Ships Australia-wide