brand logo Block - Triple Ball - Barton - 15931

Rugged construction high-load yacht block

Block - Triple Ball - Barton - 15931
Type of bearing BallPlain
Sheave diameter 0.787 in / 20 mm2.13 in / 54 mm2.28 in / 58 mm2.48 in / 63 mm2.76 in / 70 mm
Rope/line diameter 2-5 mm12 mm14 mm
Primary method of attachment Fixed, Becket clevis pin - Becket swivel shackel wire - Cam cleatSwivel, Shackle strap - Becket - Cam cleatSwivel, Shackle wire - Becket - Cam cleat
Relative size Size 0Size 4Size 5Size 6Size 7

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
  • Rugged 'K-Cam' cam cleat

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

NOTE: Rolling Loads The rolling load on ball beari

Product Detail

item
Item type Block
identity
Primary identity code for a product or service 15931
Product brand Barton
marketing
Relative size Size 5
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 6.81 in
173 mm
Width of sheave or pulley 0.669 in
17 mm
Rope/line diameter 12 mm
Sheave diameter 2.13 in
54 mm
Nett weight 0.668 kg
1.47 lb
mechanical
Maximum safe rolling force 515 daN
525 kg
1157 lb
Average breaking force 1471 daN
1500 kg
3306 lb
Maximum safe working force 736 daN
750 kg
1653 lb
construction
Rope type Polyester
Sheave count Triple
Type of bearing Ball
arrangement
Primary method of attachment Swivel
Shackle wire
Secondary method of attachment Becket
Line hold method Cam cleat
applicable vessel
Types of use Vang/kicker sportboat
Vang/kicker dinghy/dinghies
Sheet main yacht race
Sheet main yacht
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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