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Working load: 8 kg
Breaking load: 16 kg
Ram blocks are designed to be installed on hydraulic rams. If our design doesn't fit your ram, please contact us for a custom design.
Karver Systems
Working load: 8 kg
Breaking load: 16 kg
Ram blocks are designed to be installed on hydraulic rams. If our design doesn't fit your ram, please contact us for a custom design.
Karver Systems
Working load: 12 kg
Breaking load: 24 kg
Ram blocks are designed to be installed on hydraulic rams. If our design doesn't fit your ram, please contact us for a custom design.
Karver Systems
Working load: 70 kg
Breaking load: 140 kg
SPECIFICATIONS Weight: 6.00 g Safe working Load: 70 kg Breaking Load: 140 kg Max line size: 6 mm Purchase: 2 Mounting: 90
Seldén Mast AB
Working load: 70 kg
Breaking load: 140 kg
SPECIFICATIONS Weight: 6.00 g Safe working Load: 70 kg Breaking Load: 140 kg Max line size: 6 mm Purchase: 2 Mounting: 90 0
Seldén Mast AB
Working load: 100 kg
Breaking load: 200 kg
SPECIFICATIONS Weight: 10.00 g Safe working Load: 100 kg Breaking Load: 200 kg Max line size: 6 mm Purchase: 2 Mounting: 90 0
Seldén Mast AB
Working load: 120 kg
Breaking load: 300 kg
Single plain bearing block - Stainless steel sheave 12 - Fixed eye Description Complete range of plain bearing blocks Modern design Withstand high loads Ideal for static operations The ...
Wichard
Working load: 240 kg
Breaking load: 500 kg
Single 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 ...
Wichard
Working load: 240 kg
Breaking load: 500 kg
Single plainl bearing block - Sheave 18 - cheek block Description Complete range of plain bearing blocks Modern design > Withstand high loads Ideal for static operations The ...
Wichard
Working load: 113 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 and has a 250 lb (113 ...
Harken
Working load: 800, 1,100, 2,000, 3,500 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 ...
Lewmar
Working load: 800 kg - 15,000 kg
Product Description Lewmar's Racing Blocks represent the pinnacle of our standard block range. Manufactured from the best materials, they offer incredible strength to weight ratios. Features Lockable ...
Lewmar
Working load: 2,000, 450, 1,100, 800 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 ...
Lewmar
Working load: 160 kg
This jammer block is for situations where a fixed foot block cant help: peeling spinnakers, or changing a sheet winch Controlled spinnaker handling Attached with webbing strop, positioned on a toe ...
Spinlock
Working load: 250 kg
Breaking load: 550 kg
... incredible Series 20 Orbit Block™ is capable of loads up to 250kg (550lb) while weighing a mere 9 grams. It’s so light that it needs to be lashed down! Series 20 BB Orbit Block™ Lashing Head User Instructions N.B. ...
Ronstan
Working load: 125 kg
Breaking load: 750 kg
20MM DYNAMIC BLOCKS PRO-STRAP - Cold forged strap, gives rope friendly attachment & greater articulation STAINLESS CHEEKS Optimised rope guides with larger windows to reduce weight and allow easy rinsing OPEN ...
Holt
Working load: 1,000 kg
TECHNICAL CHARACTERISTICS ATTRIBUTE VALUE Ø sheave (D) 60 mm Side bearing Delrin balls Radial bearing composite fibre Weight 95 gr Ø max line 10 mm SWL 1000 kg Material Aluminum Sheave material Plastic
Antal
Working load: 1,200, 1,650, 3,000 kg
Rutgerson’s Clewblocks have a 60mm, 80mm or 100mm removable acetal sheave and are available in both silver and black anodized cheek plates. The webbing slots are smoothly rounded in order to prevent chafe for maximum durability, and the ...
Rutgerson
Working load: 380 kg - 1,430 kg
Breaking load: 700, 1,250, 1,540, 2,600 kg
... Toggle-head blocks have the same design with a spherical plain bearing and high-tech composite material as the standard blocks but with a swiveling toggle-head and clevis pin instead of a shackle. These ...
Rutgerson
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, ...
Rutgerson
The Jefa cross wire and parallel wire idlers are made of high strength aluminium plating for the ultimate in strength and durability. All parts are CNC machined to the final dimensions. The cross wire idler is used in a conventional idler ...
Working load: 1,000 kg
Breaking load: 2,000 kg
... semi-static applications such as: mast base lead blocks, halyard blocks, runners and highly loaded lines. High Performance bearings are ideal for demanding applications such as sheets and control lines ...
MORFRAC
Working load: 4,500 kg
Breaking load: 9,000 kg
... semi-static applications such as: mast base lead blocks, halyard blocks, runners and highly loaded lines. High Performance bearings are ideal for demanding applications such as sheets and control lines ...
MORFRAC
Working load: 1,200 kg
Breaking load: 2,400 kg
... semi-static applications such as: mast base lead blocks, halyard blocks, runners and highly loaded lines. High Performance bearings are ideal for demanding applications such as sheets and control lines ...
MORFRAC
Working load: 2.5, 3 t
Heavy Duty Block Type-PB -Single Sheave The tough "Heavyduty Block" is reborn to be tougher. -Strength is improved by using a double arm for the top and a rib structure for the ...
Asano-metal industry
Working load: 200, 300 kg
Fixed Pulley Type TR Vertical Single Sheave PAT *Materials: SCS13 (equivalent to SUS304) Sheave pin: SUS304
Asano-metal industry
Working load: 200 kg
Fixed Pulley Type TR-B Horizontal Single Sheave PAT. Materials: SCS13 (equivalent to SUS304) Sheave pin: SUS304 *TR-B contains bearings.
Asano-metal industry
Description: Swivel Single Sheave Block With Bridge Material: SS304/SS316 Size:25mm/32mm/50mm Surface Treatment:"EP" (Electro Polished)
Working load: 1,800, 3,000, 4,000 kg
Breaking load: 3,600, 6,000, 8,000 kg
Our Carbon Blocks are produced 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.
OH MARINE EQUIPMENT
Working load: 3,100 kg
Breaking load: 6,200 kg
The 6082 T6 aluminum body, the torlon ball bearing system and the AISI316 CrNi stainless steel parts are designed for very high loads
Admiral Marine Equipment
Working load: 3,100 kg
Breaking load: 6,200 kg
The 6082 T6 aluminum body, the torlon ball bearing system and the AISI316 CrNi stainless steel parts are designed for very high loads
Admiral Marine Equipment
Working load: 3,100 kg
Breaking load: 6,200 kg
The 6082 T6 aluminum body, the torlon ball bearing system and the AISI316 CrNi stainless steel parts are designed for very high loads
Admiral Marine Equipment
Working load: 4,000 kg
Breaking load: 8,000 kg
Light weight low friction block. Best for sheetlines, runners or mast based halyard blocks for the boats more than 40ft SWL: 4000kg MBL: 8000kg RTM Carbon Frame Dyneema teflon covered loop
Ropeye Llc
Versatile cheek block for 12 mm rope with easy running stainless steel ball bearing. Further advantages at a glance: side parts and pulley made of UV-resistant, glass-fibre reinforced plastic no sharp ridges ...
SPRENGER
Description:15mm Hi-Per Single & Bkt Category:Blocks Subcategory:15 Block Series Series:High Performance Block Type:Single Bearing Type:Ball Sheave Diameter ...
RWO
Working load: 800 kg
Breaking load: 1,600 kg
High Load Blocks manufactured from marine grade aluminium and 'Spectro' grey anodised for high UV stability and durability. Sheaves are precision urned from solid 'Ertalyte' bar with a profile that is kind to modern ...
Barton Marine
Breaking load: 1,600 kg
Made entirely in anodised light alloy and AISI 316 stainless steel with delrin sheave. Suitable for genoa and spinnaker sheets. Code 198.332 For lines: Ø max 12 mm Black sheave length: 96 mm Breaking load: 1600 Kg, fixed by means ...
Working load: 160 kg - 540 kg
Our wooden blocks are specifically designed for traditional boats. Its are commonly called "Havraise blocks". Its are ash, copper riveted. The sheave is Céloron, the handle and shaft are in stainless ...
Working load: 160 kg - 540 kg
Our wooden blocks are specifically designed for traditional boats. Its are commonly called "Havraise blocks". Its are ash, copper riveted. The sheave is Céloron, the handle and shaft are in stainless ...
Working load: 260 lb
Breaking load: 1,150 lb
PRODUCT DESCRIPTION SPECIAL FEATURES OF THESE BLOCKS: STAINLESS STEEL BALLS RUNNING OVER STAINLESS STEEL RAILS RESULT IN A HIGH CAPACITY AND PERFORMANCE FOR A SUCH A COMPACT PRODUCT.COLD FORGED RADIUSED HEAD INCREASE ...
Nautos
Working load: 750 kg
Breaking load: 1,500 kg
sheave: 50mm shackle: 6mm max Ø line: 10mm bl: 1500Kg mwl: 750g lenght: 98mm weight: 105g Description: stand-up/aluminum/delrin/ball bearing/shackle
UBI MAIOR ITALIA
How to choose this product
A single block has only one sheave. Models differ in size, sturdiness, attachment and bearing systems.
Applications
Such blocks can be used in two-line block and tackle, as an intermediary pulley in multi-block tackle or as a line lead block.
Technologies
Each of the many different attachment systems is appropriate for a particular type of block. There are two main bearing configurations. In blocks with mechanical or plastic ball bearings, two sets of bearings support the load in races on either side of the sheave.
Roller bearings sit in pairs between the races within the sheave. While sometimes found in small blocks, they are more often used in large-diameter models, as they can support higher loads and wear more slowly.
How to choose
Line diameter and working load will be the main choice criteria. Manufacturers include detailed technical information in their catalogs.
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