Single block PB
swivelwith swivelball bearing

single block
single block
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Number of sheaves
with swivel
Bearing type
ball bearing
Maximum line diameter
max. rope ø 14 mm, max. rope ø 16 mm, max. rope ø 22 mm
Application domain
for sailboats, for commercial fishing boats
stainless steel
Working load

400 kg, 600 kg, 1,000 kg
(881.8 lb, 1,322.8 lb, 2,204.6 lb)


The design of the sheave mounting prevents the rope from easily snagging. The bolt used at the swivel joint section is a size larger as compared with the former one and strengthened. *Materials: SCS14 (equivalent to SUS316), Swivel/Swivel pinS/heave pin/nut: SUS304 *The working load corresponds to the working load of the bearings. *This product contains two steel bearings with rubber seal. *Nut in the center of the main body is left-hand thread.


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*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.