barton marine

Barton Marine N03131 Barton Size 3 45mm Plain Bearing Pulley Block Single Swivel & Becket

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SKU:
21362448
MPN:
n03131
Availability:
Usually ships the same or next business day. In stock at our FL, NJ warehouses.
Shipping:
Calculated at Checkout
Stock Update:
02/22/2026 04:50:21 AM PST
$33.15

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 and pay only $30.79 each 30.79
Buy 3 or above and pay only $29.10 each 29.1
Stock Update:
02/22/2026 04:50:21 AM PST

Description

This item is brand-new, factory sealed.

Size 3 45mm Plain Bearing Pulley Block Single Swivel & Becket

The size 3 Barton plain bearing blocks have 45mm (1 3/4" sheave size 3 block range incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fibre glass-filled nylon and Acetal sheaves to maximise their strength whilst keeping weight to a minimum. Suitable for use as mainsheet, vangs, lead blocks, or wherever a powerful and compact purchase system is required on dinghies, dayboats, and lightweight cruisers.

Suitable for up to 10mm (3/8") rope.

Specifications:

  • Weight: 91 g
  • Dimensions: 114 × 47 × 28 mm
  • Size: 3 (45MM)
  • Block Type: Swivel + Becket
  • No. of Sheaves: Single
  • Bearing Type: Plain
  • Sheave Size: 45mm x 13mm (1 3/4" x 35/64")
  • Max rope diameter: 10mm (3/8")
  • SWL: 400kg (881lbs)
  • Break load: 800kg (1763lbs)
  • Max rolling load (ball bearing blocks): 270kg (595lbs)
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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Barton Marine N03131 Barton Size 3 45mm Plain Bearing Pulley Block Single Swivel & Becket
$33.15