• Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head
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Ronstan

Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head

Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head

OM-RONSTAN-SERIES40BALL-RF40300

$91.54
$107.69 $91.54
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Overview

Handle mainsheet, halyard, vang and spinnaker control lines with the Ronstan Series 40 triple ball bearing block. Its low-friction bearing arrangement and swivelling head suit sailing applications on off-the-beach catamarans, one-design classes and sportsboats up to 8m (26ft).

Key features

  • A two-stage ball bearing system maintains consistent operation across the load range.
  • The shackle head turns through 360° to accommodate changing line direction.
  • Openings in the cheeks give access to the bearings for maintenance.
  • Lightweight construction keeps the block's own weight down.
  • Impact-resistant, UV-resistant cheeks help withstand outdoor use.

Specifications

  • Series: 40
  • Configuration: Triple block with swivel shackle head
  • Head rotation: 360°
  • Ball bearing material: Acetal
  • Sheave material: UV-stabilised Acetal
  • Load strap and head fitting material: Grade 316 stainless steel
  • Cheek material: Fibre-reinforced nylon
  • Listed applications: Mainsheet, halyard, vang and spinnaker control lines
  • Listed vessel types: Off-the-beach catamarans, one-design classes and sportsboats up to 8m (26ft)

Specifications

BrandRonstan
Manufacturer part #RF40300
UPC9316800255351
Boxed dimensions5 x 3 x 2 in
Shipping weight0.4 lb

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.

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