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RonstanRonstan Series 55 BB Orbit Block, Cheek
Specifications
Imperial Metric
Sheave Dia. 2 5/32" 55 mm
Max. Rope Dia. 3/8" 10 mm
Maximum Working Load 1100 lb 500 kg
Breaking Load 2200 lb 1000 kg
Weight 2.5 oz 70 g

Product Description

Ball Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.

• Ultra Lightweight.
• Low friction 2-stage Orbital ball bearing system.
• Highest working load in its class.
• Low profile and compact.
• High performance cleating.
• Recessed underside to suit cruved mounting surface.
• Ball bearings - High compression strength carbon black Acetal.
• Stage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon.
• Frame/Cheeks - Toughened, glass fibre reinforced Nylon.
• Rope Link: UV stabilised, multi-strand impregmented SK75 Dyneema®.
• Sheave: Carbon fibre reinforced, PTFE impregnated Nylon.
• Ball Bearings: High compression strength carbon black Acetal.
• Stage 2 Bearing: Carbon fibre reinforced, PTFE impregnated Nylon.

Applications:
Mainsheet systems on dinghies, sportsboats and small keelboats to 9 m (30 ft), spinnaker sheets on dinghies, halyard, vang and backstay application on boats to 8 m (26 ft), control line applications on larger yachts.

Part Number: RF55151


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    Code: RONRF55151
    Black Friday Price: $34.00
    Original Price:$39.95
    (You Save: $5.95)

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