Flat block 2644
cheekball bearingsingle

flat block
flat block
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flat, cheek, ball bearing
Number of sheaves
with fork
Maximum line diameter
max. rope ø 10 mm
Application domain
for sailboats
Working load

220 kg (485 lb)

Breaking load

735 kg (1,620.4 lb)


Low-friction Carbo AirBlocks® are lightweight, strong, reliableand affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming.


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.