Boat Trailer Rollers - Black

41/2" Bilge Roller 70mm Black 21mm Bore

SKU: V-91220

$12.10
Request a quote

The 91220 4½" Black Rubber Flat Bilge Roller is a durable boat trailer roller designed to provide cushioned hull support during launching, retrieval and transport. Measuring approximately 114mm wide × 70mm diameter with a 17mm centre bore, its flat bilge profile spreads hull contact across a broad surface. Heavy-duty black rubber construction provides shock absorption and is suitable for compatible aluminium and fibreglass boat trailer support assemblies.

Key benefits

Key Benefits

  • 4½" / approximately 114mm overall width
  • 70mm / 2.76" outside diameter
  • 17mm / 0.669" centre bore
  • Recommended for a 16mm / 0.630" spindle
  • Heavy-duty black rubber construction
  • Flat bilge profile provides broad hull support
  • Helps cushion the hull from shock and vibration
  • UV-stable construction
  • Suitable for aluminium and fibreglass boats

Dimensions

  • Overall Width: approximately 114mm / 4½"
  • Outside Diameter: 70mm / 2.756" (approx. 2¾")
  • Centre Bore: 17mm / 0.669" (approx. 11/16")
  • Recommended Spindle: 16mm / 0.630" (approx. 5/8")

Suitable Applications

  • The 91220 is suitable for boat trailer bilge, keel and centreline hull-support positions requiring a compact flat rubber roller.

Signs the Roller Needs Replacing

  • Replace the roller if the rubber becomes cracked, split, hardened, badly flattened, deeply grooved, seized or excessively loose around the centre bore. Inspect the spindle at the same time for corrosion, bending and wear grooves.

Shipping

Ships Australia-wide