Ball bearing block 417singlewith swivelmax. rope ø 5 mm

ball bearing block
ball bearing block
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ball bearing
Number of sheaves
with swivel
Maximum line diameter
max. rope ø 5 mm
Application domain
for sailing dinghies
Working load

113 kg (249.1 lb)

Breaking load

339 kg (747.4 lb)


The 16 mm is Harkens® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load.


*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.