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Ronstan 100mm Mast Base Core Block

Ronstan 100mm Mast Base Core Block

$110.55 $221.09
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Product Description Ronstan 100mm Mast Base Core BlockFeatures: High dynamic and static load capacity High load bearing system Ball bearings to counteract side thrust loads Class leading performance and sleek, contemporary styling Durable aluminium alloy c

SKU: BTH-CMOQ-0220 Category:
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Product Description

Ronstan 100mm Mast Base Core Block

Features:

  • High dynamic and static load capacity
  • High load bearing system
  • Ball bearings to counteract side thrust loads
  • Class leading performance and sleek, contemporary styling
  • Durable aluminium alloy cheek plates
  • Central hub hole can be used as a becket take-off or tie-up point
  • Also available in Series 45, 60 & 75
  • 22mm (7/8″) inside cheeks at head
  • Mount with 2 x 12mm (7/16″) fasteners (not supplied)
  • Full block rated load can only be achieved with uniformly distributed load across full length of clevis pin. ie. 22mm (7/8″) diameter mast collar post or 22mm (7/8″) wide mast collar plate/tang

    Specifications:

  • Sheave – 4 in. (100mm)
  • Max. Rope – 3/4 in. (18mm)
  • Max. Cable – in (mm)
  • Pin – 1/2 in. (12mm)
  • M.W.L. – 7150*1 lb. (3250*1 kg)
  • B. L. – 16500*1 lb. (7500*1 kg)
  • Weight – 21.7 oz. (614 g)

    Applications:

  • Ideal for mainsheet, spinnaker sheet, vang, halyard and backstay applications on boats to 16m (53ft).
  • General applications on larger yachts.

    Materials:

  • Bearings: High compression strength, self-lubricating acetal
  • Head post: Grade 2205 stainless steel
  • Shackles: Grade 17-4PH stainless steel
  • Padeye: Grade 15-5PH stainless steel
  • Other fixtures: Grade 316 stainless steel

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