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Brand: Ronstan

Ronstan Series 30 Orbit Ball Bearing Stand-Up Swivel Block, RF35140

Ronstan Series 30 Orbit Ball Bearing Stand-Up Swivel Block, RF35140

Regular price $31.30
Regular price Sale price $31.30
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8 available

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The Ronstan Series 30 Ball Bearing Orbit Block with stand-up swivel offers a high strength-to-weight ratio for reliable rigging performance. Designed with precision-engineered components, this block utilizes glass fiber-reinforced materials to minimize friction while maintaining a compact, low-profile footprint.

Features and Specifications:

  • Sheave diameter: 30mm (1-3/16")
  • Maximum rope diameter: 8mm (5/16")
  • Maximum working load: 300kg (660 lbs)
  • Breaking load: 600kg (1,320 lbs)
  • Weight: 33g (1.2 oz)
  • Sheave material: Carbon black Acetal
  • Ball bearing material: Acetal
  • Frame and cheeks: Glass fiber reinforced Nylon
  • Link: UV-stabilized, multi-strand SK75 Dyneema
  • Applications: Mainsheet and spinnaker sheets on dinghies up to 5M (16'), halyard, vang, and backstay applications on boats to 5M (16'), and control lines on larger yachts.

Product facts

CT SKU
CT-103695
Model / MPN
RF35140
UPC / GTIN
9316800415045
Package dimensions
1" X 1" X 4"
Package weight
0.08 lb

Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.

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