brand logo Block - Back-to-back Interlinked Single Ball - Barton - 12280

Strong and lightweight rope block; multipurpose use

Block - Back-to-back Interlinked Single Ball - Barton - 12280
Type of bearing BallPlain
Sheave diameter 1.18 in / 30 mm1.38 in / 35 mm
Relative size Size 1Size 2

Features

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

Description

Has a super-low friction ball race system, running on a large diameter centre boss which allows the fitment of more load-bearing balls, to ensure extremely low friction performance, even under high loads

Lead block application is on small cruisers

Product Detail

item
Item type Block
Item type variant Interlinked
Item type variant detail Back-to-back
identity
Primary identity code for a product or service 12280
Product brand Barton
marketing
Relative size Size 2
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 Stainless steel
measurement
Overall length 5.55 in
141 mm
Width of sheave or pulley 7/16 in
11 mm
Rope/line diameter 8 mm
Sheave diameter 1.38 in
35 mm
Nett weight 0.096 kg
0.212 lb
mechanical
Maximum safe rolling force 255 daN
260 kg
573 lb
Average breaking force 726 daN
740 kg
1631 lb
Maximum safe working force 363 daN
370 kg
816 lb
construction
Rope type Polyester
Sheave count Single
Type of bearing Ball
arrangement
Primary method of attachment Fixed
Eye strap
applicable vessel
Types of use Sheet main sportboats
Sheet main dinghy/dinghies
Sheet jib dinghy/dinghies
Sheet spin/asym sportboats
Sheet spin/asym dinghy/dinghies
Out/downhaul sportboats
Out/downhaul dinghy/dinghies
Sheet jib yacht
Sheet genoa yacht
Sheet spin/asym yacht race
Sheet spin/asym yacht
Out/downhaul yacht race
Uphaul yacht race
Out/downhaul yacht
Uphaul yacht
Leads
Type of boat Dinghies cruising
Dayboats cruising
Dinghies/Sportsboats racing
Cruiser small
Cruiser medium
Cruiser large
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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