Viadana Wind Speed Ball Bearing Double Block with Fixed Head for Rope up to 8-12 mm

ID 1391233

$ 72.11

1-2 weeks delivery time

Diameter, mm:

Viadana Wind Speed Ball Bearing Double Blocks with Fixed Head are designed for sailing and marine rigging systems requiring a compact two-sheave block with a stable fixed attachment. The range combines reinforced black nylon construction with stainless steel components and ball-bearing sheaves for smooth rope movement. Available for ropes up to 8, 10 and 12 mm with 34, 45 and 56 mm sheaves, the blocks provide breaking loads from 800 to 1450 kg and working loads from 300 to 580 kg. Corresponding Viadana articles are 89.61, 90.62 and 91.59.

Description
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Viadana Wind Speed Ball Bearing Double Blocks with Fixed Head for Rope up to 8-12 mm, 34-56 mm Sheaves - Osculati 55.072.08 / 55.072.10 / 55.072.12

Viadana Wind Speed Ball Bearing Double Blocks with Fixed Head are designed for sailing and marine rigging applications where a two-sheave block and a stable fixed attachment are required. The double-sheave configuration allows the rope to be routed through multi-part control systems while keeping the assembly compact and suitable for deck and rigging installations.

The blocks are constructed from reinforced black nylon with stainless steel components for durable marine use. Their sheaves run on ball bearings to provide smooth rope travel and efficient operation during repeated trimming and load changes. The fixed head keeps the block orientation stable within the rigging system.

Three sizes are available for ropes up to 8, 10 and 12 mm, with corresponding sheave diameters of 34, 45 and 56 mm. Breaking loads range from 800 to 1450 kg, while working loads range from 300 to 580 kg depending on the selected size. Viadana articles 89.61, 90.62 and 91.59 correspond to Osculati codes 55.072.08, 55.072.10 and 55.072.12 respectively.

Product Features

Brand: Viadana
Series: Wind Speed
Product type: Double ball bearing block
Head type: Fixed head
Configuration: Two sheaves
Body: Reinforced black nylon
Metal components: Stainless steel
Bearing type: Ball bearings
Available rope capacities: Up to 8, 10 or 12 mm
Available sheave diameters: 34, 45 or 56 mm
Breaking load range: 800-1450 kg
Working load range: 300-580 kg

Available Variants

Max. Rope Diameter	Sheave Diameter	Breaking Load	Working Load	Viadana Article	Osculati Code	FNI Product Number
8 mm	34 mm	800 kg	300 kg	89.61	55.072.08	7878036
10 mm	45 mm	950 kg	370 kg	90.62	55.072.10	7878037
12 mm	56 mm	1450 kg	580 kg	91.59	55.072.12	7878038