High-load sheaves are offered as replacement parts or for use in special applications. Their bearing system combines sideload-carrying balls with a PTFE composite bushing to carry radial loads.
Part Number: HK712
Specifications
S
heave Ø (mm) 102 mm
Sheave Ø (in) 4 in
Width (mm) 22 mm
Width (in) 7/8 in
Weight (g) 284 g
Weight (oz) 10 oz
Center pin Ø (mm) 17.6 mm
Center pin Ø (in) 11/16 in
Maximum line Ø (mm) 12 mm
Maximum line Ø (in) 1/2 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) 14515 kg
Breaking load (lb) 32000 lb
Footnote Breaking load based on use of solid 304 stainless shafts.
Resources/References:
Need help to design your Harken system - take a look here for the Harken System Guides and Drawings
Or perhaps you need some other information (load calculators, block selectors, service instructions or manuals)? Take a look here for all the official Harken Support Information
