brand logo Block - Double Plain - Barton - 5221

Rugged construction high-load yacht block

Block - Double Plain - Barton - 5221
Type of bearing BallPlain
Sheave diameter 1.18 in / 30 mm1.38 in / 35 mm1.77 in / 45 mm2.13 in / 54 mm2.28 in / 58 mm2.48 in / 63 mm2.76 in / 70 mm
Rope/line diameter 8 mm10 mm12 mm14 mm
Primary method of attachment Fixed, Shackle strap - BecketFixed, Shackle wire - Becket
Relative size Size 1Size 2Size 3Size 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
  • 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

Product Detail

item
Item type Block
identity
Primary identity code for a product or service 5221
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 Brass
measurement
Overall length 5.79 in
147 mm
Width of sheave or pulley 0.433 in
11 mm
Rope/line diameter 12 mm
Sheave diameter 2.13 in
54 mm
Nett weight 0.3 kg
0.661 lb
mechanical
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 Double
Type of bearing Plain
arrangement
Primary method of attachment Fixed
Shackle wire
Secondary method of attachment Becket
applicable vessel
Types of use Vang/kicker sportboat
Vang/kicker dinghy/dinghies
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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