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Working load: 500 kg
Breaking load: 1 t
Weight: 113 g
Weight - 0.113 kg Boat size - 10 to 110 ft Workload - 0,50 T Breaking load - 1,00 T
Karver Systems
Working load: 1 t
Breaking load: 2 t
Weight: 174 g
Weight - 0.174 kg Boat size - 10 to 110 ft Workload - 1,00 T Breaking load - 2,00 T
Karver Systems
Weight - 0.096 kg Boat size - 10 to 110 ft Workload - 1,00 T Breaking load - 2,00 T
Karver Systems
Seldén has expanded their range of Roller Bearing Blocks with larger singles and single/stand-ups in series ø100 and a ø130 mm. “- Boatbuilders call for these blocks and we are pleased to provide the ...
Seldén Mast AB
Working load: 70 kg
Breaking load: 140 kg
Weight: 7 g
SINGLE STRAP 402-001-01 Purchase: 2 Mounting: 90
Seldén Mast AB
Working load: 70 kg
Breaking load: 140 kg
SINGLE COMPOSITE 401-001-01 Purchase: 2 Comment:
Seldén Mast AB
Working load: 125 kg
Breaking load: 750 kg
Weight: 11 g
... filled nylon with 316 stainless Steel straps Axle: - 316 stainless Steel Line size:2.5 - 6mm USAGER Control Lines Lead Blocks Vang Cascades Cunningham Systems Halyard Leads
Holt
Working load: 240 kg
Breaking load: 700 kg
Weight: 23 g
Smallest and lightest ball bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an ...
Ronstan
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: 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
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 head pin Highly ...
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: 113 kg
Breaking load: 544 kg
Weight: 11 g
The 16 mm is Harken’s 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: 450 kg
Breaking load: 850, 3,600, 1,250 kg
Weight: 50 g
Single block with spherical plain bearing and composite sides and sheave
Rutgerson
Working load: 700 kg
Breaking load: 1,250 kg
Weight: 115 g
Single block with spherical plain bearing and composite sides and sheave
Rutgerson
Working load: 1,150 kg
Breaking load: 2,100 kg
Weight: 205 g
Single block with spherical plain bearing and composite sides and sheave
Rutgerson
Working load: 500 kg
Breaking load: 2,000 kg
The sheave assemblies are made out of anodized aluminium. Sheaves are fitted with a ball bearing system.
Plain bearing block with nylon cheeks and acetal sheaves with EX1372 snap shackle. Lightweight, very strong and affordable. This mainsheet block is designed for Optimists and other small dinghies and ...
Working load: 1,750 kg
10 Series Single Block with Stainless Steel cheeks and Aluminum "universal circuit" ball bearing sheave. Aluminum sheave run on Delrin(tm) ball bearings for a very strong yet low-friction sheave. Stainless Steel D shackle ...
Schaefer
Swivel Double Sheave Block With Bridge Material: SS304/SS316 Size:25mm/32mm/50mm Surface Treatment:"EP" (Electro Polished) Swivel Double Sheave Block With Bridge are compact and lightweight multi-purpose ...
Swivel Single Sheave Block With Bridge Material: SS304/SS316 Size:25mm/32mm/50mm Surface Treatment:"EP" (Electro Polished) Swivel Single Sheave Block With Bridge are compact and lightweight multi-purpose ...
Center diameter: 20, 25, 28, 30 mm
Stanchion block.For stanchion diam. 20 mm to 25 mm Ball bearing sheave diam. 30 mm
Working load: 600, 1,000, 400 kg
The design of the sheave mounting prevents the rope from easily snagging. The bolt used at the swivel joint section is a size larger as compared with the former one and strengthened. *Materials: SCS14 (equivalent to SUS316), Swivel/Swivel ...
ASANO GLOBAL CO. LTD.
Working load: 5 t
Tough Hanging Roller Type II (with Bearing) PAT. SWL:5t Changing the horizontal width of the main body prevents even metal fittings from getting caught when hoisting. The sheave is also designed to be in the main body to prevent ...
ASANO GLOBAL CO. LTD.
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 main body. Based ...
ASANO GLOBAL CO. LTD.
Articulated pulley which will facilitate the tension of the sail attached to the adjustment ring
Working load: 500 kg
Breaking load: 1,000 kg
Weight: 60 g
Ø SHEAVE: 40mm SHACKLE: 5mm MAX Ø LINE: 8mm MAX WORKING LOAD: 500Kg BREAKING LOAD: 1000Kg LENGTH: 72mm WEIGHT: 60g
UBI MAIOR ITALIA
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: 2, 3, 4, 7 t
The LB 2-to-1 snatch blocks are fitted with polymer bearing replaces the SB models (needle bearing). Facnor has designed this new stripped-down version made in aluminum for lighter, more simple and more attractive halyard ...
Working load: 3,500 kg
Weight: 438 g
Looper series, single block, sheave Ø100, SWL 3500 kg, with snap-loop
Antal
Working load: 480 kg
Breaking load: 900 kg
Thickness: 42 mm
... removed for maintenance Applications For dinghies and catamarans applications: genoa sheets, boom vang, footmast block, masthead block… For larger yachts: barber-hauler, cunnigham, various, control ...
Wichard
Working load: 300 kg
Breaking load: 600 kg
Weight: 120 g
optimized rope guidance by specially formed cheek parts and trap of stainless steel for more security and stability wobble riveting avoids sharp burrs on the rivet head marking of the maximum rope Ø in the enhancing strap cheek of ...
SPRENGER
Working load: 115 kg
Breaking load: 540 kg
... bearing blocks on the market. The range is available with different types of accessories including lacing eyes, hooks, swivels and cleats. The range also features a central rivet that provides great options as a tie on ...
Allen Brothers
Breaking load: 225 kg
Weight: 15 g
Series 17 double block with loop top and 17mm Acetal sheave and stainless steel sided plates for general purpose use.Ideal for small marine and industrial rope applications
RWO
From over 20 years Solimar produces wooden, tuphnol, stainless steel blocks bronze fittings for classical boats. All the fittings are made with outer original shape by using modern technologies. Many versions and type ...
Weight: 662, 254, 189, 218, 174 g
A strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft. A comprehensive range of multiple sheave options, together with fiddles and cam cleat blocks, ...
Barton Marine
A sailboat block consists of one or more sheaves held between two cheeks or chocks. It increases mechanical advantage and can be used to alter the direction of lines running through it.
ApplicationsThese devices have multiple uses on board including mainsail block and tackle, spinnaker sheet guide, barber hauler, hell block, deck block and downhaul tackle, among others.
TechnologiesThe great majority of cruising sailboat blocks are aluminum or stainless steel. Titanium blocks now can be found on some racing boats, while traditional craft have beautiful wooden blocks. Single, double and even triple blocks are used in block and tackle to increase mechanical advantage, as on a mainsail sheet.
Blocks can be attached via a becket, a swivel, a rotating tower with a jam or cam cleat, a fork, a fabric strop or be screwed to the deck or attached to another fitting. Blocks with narrow metal sheaves are used with cable or wire rope. Sheaves can ride on ball bearings, rollers or a simple friction axle. Ratchet blocks have internal teeth so that the sheave turns in one direction only, making it easier to keep tension on the line.
Choice will depend on specific application, line diameter and the possible need for an integrated cleat. Blocks with rollers are generally the most efficient due to reduced friction and increased sturdiness.
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