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Viadana Delrin Ball Bearing Double Block with Becket and Shackle Head for Rope up to 6-12 mm, 22-57 mm Sheaves - Osculati 55.031.06 / 55.031.08 / 55.031.10 / 55.031.12
Viadana Delrin Ball Bearing Double Block with Becket and Shackle Head is designed for sailing and rigging systems that require a double-sheave configuration together with an additional becket attachment point. The block body is made of black nylon and reinforced with stainless steel stiffeners for a durable construction suitable for marine use.
The sheaves run on ball bearings to support smooth rope movement through the block. The range includes four sizes for ropes up to 6, 8, 10 and 12 mm, with corresponding sheave diameters of 22, 28, 38 and 57 mm. This allows the block to be selected according to rope size and required load capacity.
Depending on the version, the breaking load ranges from 700 to 1000 kg and the working load from 100 to 280 kg. The smallest 6 mm / 22 mm version is identified as Viadana article 10.54, corresponding to Osculati code 55.031.06 and FNI product number 7878009. For this version, the supplied data also specifies an overall height of 43 mm.
Product Features
- Brand: Viadana
- Series: Delrin Ball Bearing
- Product type: Double block with becket
- Head type: Shackle head
- Configuration: Double sheave
- 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 10.54 55.031.06 7878009 8 mm 28 mm - 750 kg 150 kg - 55.031.08 - 10 mm 38 mm - 950 kg 230 kg - 55.031.10 - 12 mm 57 mm - 1000 kg 280 kg - 55.031.12 - -
