Ball bearing block 70313
triplewith fixed headmax. rope ø 6 mm

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

480 kg (1,058.2 lb)

Breaking load

900 kg (1,984.2 lb)


Triple ball bearing block - Sheave 18 - Fixed eye Description 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… Technical information 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) - 45 Width (mm) - 18 Thickness (mm) - 42 Sheave diameter (mm) - 18 Working load (kg) - 480 Breaking load (kg) - 900 Weight (g) - 55


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