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Viadana Delrin Ball Bearing Double Block with Shackle for Rope up to 6-12 mm, 22-57 mm Sheaves - Osculati 55.030.06 / 55.030.08 / 55.030.10 / 55.030.12
Viadana Delrin Ball Bearing Double Block with Shackle is designed for sailing and rigging systems requiring a double-sheave block with a compact and durable construction. The block body is made of black nylon and reinforced with stainless steel stiffeners, combining low weight with structural support for demanding marine applications.
The sheaves run on ball bearings to provide smooth rope movement through the block. Four sizes are available, covering ropes up to 6, 8, 10 and 12 mm. Sheave diameters range from 22 to 57 mm, allowing the block size to be matched to the required rope diameter and 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 10.55, corresponding to Osculati code 55.030.06 and FNI product number 7878007.
Product Features
- Brand: Viadana
- Series: Delrin Ball Bearing
- Product type: Double block with shackle
- 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 10.55 55.030.06 7878007 8 mm 28 mm - 750 kg 150 kg - 55.030.08 - 10 mm 38 mm - 950 kg 230 kg - 55.030.10 - 12 mm 57 mm - 1000 kg 280 kg - 55.030.12 - -
