Single block 70113
cheekwith fixed headwith ball bearing

single block
single block
single block
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Number of sheaves
with fixed head
Bearing type
with ball bearing
Maximum line diameter
max. rope ø 6 mm, max. rope ø 4 mm
Application domain
for sailboats
boom, masthead
stainless steel
Working load

240 kg
(529.1 lb)

Breaking load

500 kg
(1,102.3 lb)


14 mm
(1 in)

Center diameter

18 mm
(1 in)


11 g
(0 oz)


Complete range of ball bearing blocks Modern design Innovative design with two lateral races of ball bearings Smooth running for low load adnhigh speed action Under high load the hub runs on stainless steel bush which allows the sheave to run freely Light cheeks protecting the sheave Wide choice of fastenings thanks to the universal head The sheave can be removed for maintenance Applications For dinghies and catamarans applications: genoa sheets, boom vang, footmast block, masthead block… For larger yachts: barber-hauler, various, control lines… Materials - Grade 316L stainless Steel head Delrin® bail bearings configuration Grade 316L stainless Steel load straps Polycarbonate cheeks Composite sheave Rope size - Pour cordage de 4 à Length (mm) - 35 Width (mm) - 18


*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.