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Viadana Delrin Ball Bearing Triple Block with Shackle Head for Rope up to 6-12 mm, 22-57 mm Sheaves - Osculati 55.032.06 / 55.032.08 / 55.032.10 / 55.032.12
Viadana Delrin Ball Bearing Triple Block with Shackle Head is designed for sailing and rigging systems requiring a compact three-sheave block for multi-part rope arrangements. The block body is manufactured from black nylon and reinforced with stainless steel stiffeners, combining a lightweight construction with added structural support for marine use.
The three sheaves run on ball bearings to provide smooth rope movement and efficient operation under load. Four sizes are available for ropes up to 6, 8, 10 and 12 mm, with corresponding sheave diameters of 22, 28, 38 and 57 mm. This range allows the block to be selected according to rope diameter and required load capacity.
Breaking loads range from 700 to 1000 kg, while working loads range from 100 to 280 kg depending on the size. The smallest 6 mm / 22 mm version is Viadana article 10.56, corresponding to Osculati 55.032.06 and FNI product number 7878013. For this version, the supplied specification also gives an overall height of 43 mm.
Product Features
- Brand: Viadana
- Series: Delrin Ball Bearing
- Product type: Triple block
- Head type: Shackle head
- Configuration: Three sheaves
- Body material: Black nylon
- Reinforcement: Stainless steel stiffeners
- Bearing type: Ball bearings
- Available rope capacities: Up to 6, 8, 10 or 12 mm
- Available sheave diameters: 22, 28, 38 or 57 mm
- Breaking load range: 700-1000 kg
- Working load range: 100-280 kg
Available Variants
Max. Rope Diameter Sheave Diameter Overall Height Breaking Load Working Load Viadana Article Osculati Code FNI Product Number 6 mm 22 mm 43 mm 700 kg 100 kg 10.56 55.032.06 7878013 8 mm 28 mm - 750 kg 150 kg - 55.032.08 - 10 mm 38 mm - 950 kg 230 kg - 55.032.10 - 12 mm 57 mm - 1000 kg 280 kg - 55.032.12 - -
