The 91242 7" Black Rubber Jumbo Roller is a heavy-duty boat trailer keel roller designed to provide substantial hull support during launching, retrieval and transport. Measuring 178mm wide, with a profile ranging from approximately 73mm to 122mm diameter, it features durable black rubber construction and a 17mm centre bore. The solid-machined jumbo profile provides excellent cushioning and is suitable for compatible aluminium and fibreglass boat trailer applications.
Boat Trailer Rollers - Black
7" Black Rubber Jumbo Keel Roller 17mm Bore
SKU: V-91242
$33.90
Key benefits
Key Benefits
- 7" / 178mm overall width
- 17mm / 0.669" centre bore
- Approximately 73–122mm / 2.87–4.80" diameter profile
- Recommended for a 16mm / 0.630" spindle
- Heavy-duty black rubber construction
- Jumbo profile provides substantial keel support
- Machined from a solid piece of material
- UV-stable construction
- Suitable for aluminium and fibreglass boats
Dimensions
- Overall Width: 178mm / 7"
- Maximum Outside Diameter: 122mm / 4.803" (approx. 4-13/16")
- Centre/Profile Diameter: 73mm / 2.874" (approx. 2-7/8")
- Centre Bore: 17mm / 0.669" (approx. 11/16")
- Recommended Spindle: 16mm / 0.630" (approx. 5/8")
Roller & Spindle Compatibility
- The 17mm bore version of 91242 is designed for use with a 16mm roller spindle, providing approximately 1mm diametral running clearance so the roller can rotate freely.
- Check your existing roller before ordering.
Suitable Applications
- The 91242 is suitable for boat trailer keel and centreline support positions where a larger jumbo roller is required. The heavy-duty black rubber construction is listed as suitable for aluminium and fibreglass boats.
Signs the Roller Needs Replacing
- Replace the roller if the rubber becomes cracked, split, badly flattened, hardened, deeply grooved or excessively loose on the spindle. Also inspect the 16mm spindle for bending, corrosion and wear grooves when installing the new roller.
Shipping
Ships Australia-wide