• Ronstan Series 30 Ball Bearing Orbit Block™ - Stand Up Swivel
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Ronstan

Ronstan Series 30 Ball Bearing Orbit Block™ - Stand Up Swivel

Ronstan Series 30 Ball Bearing Orbit Block™ - Stand Up Swivel

OM-RONSTAN-SERIES30BALL-RF35140

$32.71
$36.82 $32.71
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Overview

For dinghy sheets and yacht control lines, the Ronstan Series 30 Ball Bearing Orbit Block offers a stand-up swivel configuration in a compact body. It supports mainsheet and spinnaker sheet applications on dinghies up to 5 m, plus halyard, vang and backstay duties on boats up to that size.

Key features

  • Ball bearings help reduce friction when running lines through the block.
  • Reinforced composite construction limits weight to 33 g.
  • A compact, low-profile form takes up less space in the line arrangement.
  • Supports control line applications on larger yachts as well as the listed small-boat uses.

Specifications

  • Series: 30 Ball Bearing Orbit Block
  • Configuration: Stand-up swivel
  • Sheave diameter: 30 mm (1-3/16 inches)
  • Maximum rope diameter: 8 mm (5/16 inch)
  • Maximum working load: 300 kg (660 lbs)
  • Breaking load: 600 kg (1,320 lbs)
  • Weight: 33 g (1.2 oz)
  • Sheave material: High-compression-strength carbon black acetal
  • Ball bearing material: High-compression-strength acetal
  • Frame and cheek material: Toughened, glass-fiber-reinforced nylon
  • Link material: UV-stabilized, multi-strand impregnated SK75 Dyneema
  • Boat size for listed dinghy sheet, halyard, vang and backstay applications: Up to 5 m (16 feet)

Specifications

BrandRonstan
Manufacturer part #RF35140
UPC9316800415045
Boxed dimensions4 x 2 x 1 in
Shipping weight0.1 lb
Country of originINDONESIA

Shipping & returns

Free standard shipping

Standard shipping is free on every U.S. order — no minimum. Need it faster? Faster delivery options are available at checkout for qualifying orders. In-stock orders ship quickly with tracking; oversized and freight items may ship separately and can take a little longer. International rates are calculated at checkout.

30-day returns

Request a return within 30 days of delivery. Authorized returns are subject to a 15% restocking fee. Return shipping is paid by the buyer; items must be new and in original packaging. See our refund policy.

Genuine products

We source from authorized U.S. distributors. Every product is new, genuine and covered by the manufacturer warranty.

Genuine products

Genuine products, full warranty.

Fast, tracked shipping

On in-stock marine gear.

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