Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves combine sideload-carrying balls with a PTFE composite bushing for radial loads.
FEATURES
Sheave Ø (mm) 127 mm
Sheave Ø (in) 5 in
Maximum line Ø (mm) 12 mm
Maximum line Ø (in) 7/16 in
Maximum working load (kg) 5443 kg
Maximum working load (lb) 12000 lb
SPECS
Sheave Ø (mm)
127 mm
Sheave Ø (in)
5 in
Width (mm)
19 mm
Width (in)
3/4 in
Weight (g)
340 g
Weight (oz)
12 oz
Center pin Ø (mm)
19.1 mm
Center pin Ø (in)
3/4 in
Maximum line Ø (mm)
12 mm
Maximum line Ø (in)
7/16 in
Maximum wire Ø (mm)
8 mm
Maximum wire Ø (in)
5/16 in
Maximum working load (kg)
5443 kg
Maximum working load (lb)
12000 lb
Breaking load (kg)
16828 kg
Breaking load (lb)
37100 lb
Footnote
Breaking load based on use of solid 304 stainless shafts.
