Description
Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum, sheaves feature Torlon ® rollers to carry high radial loads and carbon-black Delrin ® balls to support sideloads and provide UV protection. Delrin ® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.
Sheave Ø(in)2 1/2 in
Width (mm)35 mm
Width (in)1 3/8 in
Weight (g)198 g
Weight (oz)7 oz
Center pin Ø(mm)8.1 mm
Center pin Ø(in) 5/16 in
Fasteners (mm)8 mm
Fasteners (in)5/16 in
Maximum line Ø(mm)12 mm
Maximum line Ø(in) 1/2 in
Maximum working load (kg)1361 kg
Maximum working load (lb)3000 lb
Breaking load (kg)2721 kg
Breaking load (lb)6000 lb
Product Details
We usually dispatch within 2–8 days.
In a hurry? If the item’s in stock, we might be able to send it out the same day — just let us know.
Not the Right Fit? We’ve Got You.
If your boating gear isn’t quite right — in size, fit, or feel — you can return it within 30 days for a full refund or exchange. No stress, no risk.