Triple blocks

15 companies | 121 products
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plain bearing block
plain bearing block
60313

Working load: 480 kg
Breaking load: 900 kg

Triple plain bearing block - Sheave 18 - Fixed eye Description Complete range of plain bearing blocks Modern design > Withstand high loads Ideal for static operations The sheave ...

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Wichard
plain bearing block
plain bearing block
60314

Working load: 480 kg
Breaking load: 900 kg

Triple plain bearing block - Sheave 18 - Fixed eye & becket Description Complete range of plain bearing blocks Modern design > Withstand high loads Ideal for static operations The ...

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Wichard
plain bearing block
plain bearing block
61314

Working load: 480 kg
Breaking load: 1,000 kg

Triple plain bearing block - Sheave 25 - Fixed eye & becket Description Complete range of plain bearing blocks Modern design Withstand high loads Ideal for static operations The ...

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Wichard
plain bearing block
plain bearing block
405-001-07

Working load: 650 kg
Breaking load: 1,300 kg

SPECIFICATIONS Weight: 292.00 g Safe working Load: 650 kg Breaking Load: 1300 kg Max line size: 12 mm Pin diam: 5 mm Shackle diam: 5 mm Purchase: 6 Mounting: 0 90 free

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Seldén Mast AB
plain bearing block
plain bearing block
405-001-10

Working load: 650 kg
Breaking load: 1,300 kg

SPECIFICATIONS Weight: 440.00 g Safe working Load: 650 kg Breaking Load: 1300 kg Max line size: 12 mm Pin diam: 5 mm Shackle diam: 5 mm Purchase: 6 Mounting: 0 90 free Comment: Becket can be opened, Cam cleat ...

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Seldén Mast AB
plain bearing block
plain bearing block
406-001-08

Working load: 1,000 kg
Breaking load: 2,000 kg

SPECIFICATIONS Weight: 524.00 g Safe working Load: 1000 kg Breaking Load: 2000 kg Max line size: 14 mm Pin diam: 6 mm Shackle diam: 6 mm Purchase: 7 Mounting: 0 90 free Comment: Becket can be opened

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Seldén Mast AB
ball bearing block
ball bearing block
408

Working load: 318 kg
Breaking load: 544 kg

The 16 mm is Harkens smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race.

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Harken
ball bearing block
ball bearing block
409

Working load: 318 kg
Breaking load: 544 kg

The 16 mm is Harkens smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race.

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Harken
plain bearing block
plain bearing block
228

Working load: 227 kg
Breaking load: 544 kg

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.

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Harken
plain bearing block
plain bearing block
HTX series

Working load: 1,100, 800, 3,500, 2,000 kg

... Lewmar HTX Hardware Range. Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high quality materials, providing enhanced reliability. HTX blocks are ideal for frequently ...

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Lewmar
fiddle block
fiddle block
29901813BK

Working load: 2,200 kg
Breaking load: 4,400 kg

Lewmar Racing Blocks represent the pinnacle of our standard block range. Manufactured from the best materials, they offer incredible strength to weight ratios. Features Lockable head pin ...

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Lewmar
plain bearing block
plain bearing block
Synchro

Working load: 450, 800, 1,100, 2,000 kg

... swivel locking mechanism Applications Plain bearing blocks are typically used for heavy and static loads in: Halyard tuning Mainsheet systems Mast foot blocks Mast head blocks ...

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Lewmar
plain bearing block
plain bearing block
RF20302

Working load: 400 kg
Breaking load: 850 kg

SERIES 20 RF20302 FEATURES Low friction High static and dynamic load capacity Lightweight Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.Two-way head ...

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Ronstan
roller bearing block
roller bearing block
KBO1

Working load: 350 kg
Breaking load: 700 kg

The KBO blocks are our mainstream range of lashing block. The KBO blocks are available in simple, double and triple up to the KBO8. From the KBO1 to the KBO8, the blocks ...

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Karver Systems
roller bearing block
roller bearing block
KBO2

Working load: 450 kg
Breaking load: 900 kg

The KBO blocks are our mainstream range of lashing block. The KBO blocks are available in simple, double and triple up to the KBO8. From the KBO1 to the KBO8, the blocks ...

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Karver Systems
roller bearing block
roller bearing block
KBO4

Working load: 900 kg
Breaking load: 1,800 kg

The KBO blocks are our mainstream range of lashing block. The KBO blocks are available in simple, double and triple up to the KBO8. From the KBO1 to the KBO8, the blocks ...

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Karver Systems
friction block
friction block
B409083

Working load: 2,500 kg

The latest member of our popular ROC Block family is an assortment of extremely strong and durable deck blocks in aluminum. They have the same innovative roller-bearing system as our reliable ROC Blocks, ...

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Rutgerson
plain bearing block
plain bearing block
B300381B

Working load: 450 kg
Breaking load: 850 kg

Triple block with spherical plain bearing and composite sides and sheaves

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Rutgerson
plain bearing block
plain bearing block
B300581B

Working load: 700 kg
Breaking load: 1,250 kg

Triple block with spherical plain bearing and composite sides and sheaves

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Rutgerson
ball bearing block
ball bearing block
711319

Working load: 9,000 kg
Breaking load: 18,000 kg

Our High Performance blocks are developed with emphasis on design and strength. The blocks have aluminium ball bearing sheaves and are bolted together with allen screws for easy disassembling if needed. The ...

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OH MARINE EQUIPMENT
plain bearing block
plain bearing block
HT2034

Working load: 420 kg
Breaking load: 1,750 kg

30MM DYNAMIC BLOCKS OPEN AXLE Strength in critical load area. Allows ropes to be tied directly without becket DYNAMIC BEARING SYSTEM Stainless bail bearings on stainless axle FULL COMPOSITE BODY Harnessing 20 ...

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Holt
plain bearing block
plain bearing block
A2034P / A2035P

Breaking load: 1,750 kg

Plain Bearing Triple The A2034P is a plain bearing triple block. The A2034P is made using 100% recycled plastics and the well-known Allen Ultra-Strap. Ideal for elastic take up systems. ...

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Allen Brothers
ball bearing block
ball bearing block
505-90

Working load: 795 kg

Triple block with Stainless Steel cheeks. Works with 505-93 for a powerful 6:1 purchase. Swivel head may be locked in place with the adjustment of an set screw. Delrin(tm) sheaves ensure smooth operation ...

plain bearing block
plain bearing block
R8540

Breaking load: 300 kg

Description:18mm Micro Triple & Hook Category:Blocks Subcategory:17 Block Series Series:Stainless Block Type:Hook Blocks Bearing Type:Plain Weight (grm):44 Sheave ...

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RWO
fiddle block
fiddle block
40-01 US

Working load: 2,800 lb

length:8width:3-7/8 weight:18 OZshackle:5/16 sheave diameter: 2-5/8 Comes with set screw to make it fixed shackle. Safe working load is 2800 lbs.

ball bearing block
ball bearing block
SB-1605F

Working load: 120 kg
Breaking load: 550 kg

Master's smallest block, 16mm is designed for small synthetic control lines found on dinghies. Stainless Steel Ball Bearing provides the good and smooth rotation and polished 316 L Stainless Steel sideplates give optimal ...

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Master
plain bearing block
plain bearing block
EYTXX Series

Working load: 300 kg - 1,000 kg

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Esprit Yachting

How to choose this product

triple-block

A triple block has three sheaves, sometimes with metal or plastic ball bearings.

Applications

Such blocks can be part of six- or seven-line tackle. This degree of mechanical advantage is particularly useful on downhauls, running backstays and wherever loads are especially heavy.

Technologies

The manner in which the lines are passed through the sheaves is essential. They must cross at the right place to avoid rubbing against each other. The final line must run over the middle sheave, which is aligned with the block's attachment point to ensure the most efficient distribution of the effort.

How to choose

The line type and diameter, and the working load will determine the choice of block.