brand logo Block - Lead Deck Double Plain - Barton - 4250

Deck lead block by Barton that suits any type of yacht

Block - Lead Deck Double Plain - Barton - 4250

Related Media

media icon Dimension Set
Type of bearing BallPlain
Sheave diameter 1.18 in / 30 mm1.38 in / 35 mm1.77 in / 45 mm2.28 in / 58 mm
Rope/line diameter 8 mm10 mm12 mm
Relative size Size 1Size 2Size 3Size 4

Features

  • Rugged construction
  • High quality injection moulded side plates
  • Load carrying components made of high grade stainless steel
  • Side plates through-bolted and riveted
  • Plain nylon bearing; high load; low friction

Description

Low friction sheave material runs on a large diameter bearing, delivering free running under the highest loads

Lead block application is on small cruisers

Attach with 5 mm diameter fasteners, 4-off

Product Detail

item
Item type Block
Item type variant Lead deck
identity
Primary identity code for a product or service 4250
Product brand Barton
marketing
Relative size Size 4
material
Primary material simple composition Composite
Primary material composition Composite
Secondary material simple composition Stainless/SS
Secondary material composition SAE/AISI 316 EN 1.4401 A4 stainless
Sheave material composition Acetal resin
Bearing composition Brass
measurement
Overall length 3.54 in
90 mm
Spacing between attach hole centres 1.89 in
48 mm
Overall width 2.64 in
67 mm
Width of sheave or pulley 0.669 in
17 mm
Attachment hole centre to centre width spacing 2.64 in
67 mm
Overall depth/height 2.99 in
76 mm
Rope/line diameter 12 mm
Sheave diameter 2.28 in
58 mm
Attachment hole diameter 0.197 in
5 mm
Nett weight 0.321 kg
0.708 lb
Attachment method Fastener
Number of fasteners 4
mechanical
Average breaking force 1235 daN
1260 kg
2777 lb
Maximum safe working force 618 daN
630 kg
1388 lb
construction
Rope type Polyester
Sheave count Double
Type of bearing Plain
arrangement
Primary method of attachment Fixed
Bracket flanged flat
Orientation (upright etc) Upright
applicable vessel
Types of use Vang/kicker yacht race
Vang/kicker yacht
Leads
Type of boat Dayboats cruising
Dinghies/Sportsboats racing
Cruiser small
Cruiser medium
appearance
Primary colour name Charcoal
Primary colour Grey
translation
Item class in Danish Yacht blok
Item class in Dutch Yacht blok
Item class in French Voilier poulie
Item class in German Yacht-Block
Item class in Italian Yacht di blocco
Item class in Norwegian Yacht blokk
Item class in Portuguese bloco Yacht
Item class in Spanish Yacht bloque
Item class in Turkish Yat blok
Item class in Swedish Baten blocket

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