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Block Sheave

57 mm Carbo Triple Block w/Ratchamatic, Cam & 40 mm Block
Harken 57 Mm Carbo Triple Block W/ratchamatic, Cam & 40 . 57mm Carbo Triple with Ratchamatic, Cam and 40mm Block Description Triple/150 Cam-Matic/40 mm block Sheave dia. (in) 2-1/4 Length (in) 6-1/8 Weight (oz) 18.3 Max. line dia. (in) 3/8 Shackle pin dia. (in) 6 mm SWL (lb) 1800 Breaking...
Brand: Harken
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75 mm SS ESP Mastcollar Block
Harken 75 Mm Ss Esp Mastcollar Block . 75 mm SS ESP Mastcollar Block Description Mastcollar block Sheave dia. (in) 3 Length (in) 4 5/8 Weight (oz) 16 Clevis pin dia. (in) 5/16 Max. line dia. (in) 3/4 Max. working load (lb) 3000 Breaking load (lb) 6000
Brand: Harken
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57mm Carbo Ratchamatic Blocks
Harken 57mm Carbo Ratchamatic Blocks Sheave Diameter Block, Flip Flop Style, 2500lb. Swl . Control loaded lines with easeThe 57mm and 75mm Carbo Ratchamatic blocks are adjustable for use in many applications and weather conditions. This load-sensing ratchet block rolls freely in both directions...
Brand: Harken
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57 mm SS ESP Mastcollar Block
Harken 57 Mm Ss Esp Mastcollar Block . 57 mm SS ESP Mastcollar Block Description Mastcollar block Sheave dia. (in) 2 1/4 Length (in) 3 11/16 Weight (oz) 7 Clevis pin dia. (in) 5/16 Max. working load (lb) 2205 Breaking load (lb) 4409
Brand: Harken
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5 Series Ball Bearing Blocks
Schaefer 5 Series Ball Bearing Blocks Block, Upright Lead, Hinged, Stainless, 1,000lb. Swl, 7.0oz. . Like the 5 Series blocks, but with Schaefer s ball bearing sheave. Curved ball races allow Schaefer ball bearing blocks to take higher loads than other similarly sized blocks. Sheave:...
Brand: Schaefer
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75 mm ESP Teardrop Padeye Block
Harken 75 Mm Esp Teardrop Padeye Block . 75 mm ESP Teardrop Padeye Block Description Padeye block Sheave dia. (in) 3 Length (in) 4 11/16 Weight (oz) 8.4 Clevis pin dia. (in) 3/8 Max. line dia. (in) 3/4 Max. working load (lb) 3500 Breaking load (lb) 7000
Brand: Harken
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Block Accessories
  • Block Accessories
  • Sailboat Hardware > Blocks > Sheaves > Parts & Bases
  • $0.60 - 89.67 USD
Harken Block Accessories 2" Stand Up Spring, Fits All Small Blocks . Ball-and-socket bases allow blocks to articulate so they lead fairly from any direction to any direction. Stanchion base mounts to any 7/8" or 1"dia. stanchion Small and Medium use #10 FHMS; Midrange uses 1/4" FHMS
Brand: Harken
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300 Series Fairlead Blocks
Schaefer 300 Series Fairlead Blocks Block, Hinged Style, 2 15/32" X 3/4" . Same as the Schaefer 200 Series fairlead blocks, but with twice the working load. Use #10 fasteners. Configuration: Lead block Sheave: UV-stabilized white Delrin Ball Bearings: Delrin Sheave Size: 1-7/16" (37mm) Line...
Brand: Schaefer
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Synchro Block Snap Shackles
Lewmar Synchro Block Snap Shackles Shackle, Fits Size 72mm, 22mm Opening Eye Id, Replaces 6mm Pin Dia., 2,420lb. Swl . Adjustable snap shackles fit all Synchro blocks in the 60mm, 72mm, and 90mm ranges. Replaces the standard shackle fitted to all blocks Will also fit all Lewmar Ocean blocks and...
Brand: Lewmar
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Schaefer Replacement Sheaves
Schaefer Replacement Sheaves Delrin Sheave, 5/16" Max. Line Dia., 1/16" Od, Id, 7/16" Width . Schaefer sheaves are designed to be compatible with Schaefer products, and are not intended for use in other manufacturer's blocks. For masthead use only. Delrin sheaves are injection molded with UV...
Brand: Schaefer
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Replacement Sheaves
Ronstan Replacement Sheaves Sheave, 2" Dia., 5/16" Bore, 5/8" Width, Aluminum, Oilite Bearing . All are for rope except RF1118, which is also for wire.
Brand: Ronstan
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Series 40 Orbit Block Accessories
Ronstan Series 40 Orbit Block Accessories Swivel Shackle Base . Accessories to Ronstan Series 40 Orbit blocks.
Brand: Ronstan
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Acetal Ball Bearing Sheave
Ronstan Acetal Ball Bearing Sheave . Precision moulded Acetal sheaves running on Acetal or Torlon ball bearings provide high performance & low friction.
Brand: Ronstan
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Self Contained 16mm Sheave
Harken Self Contained 16mm Sheave . UV-stabilized Delrin sheave Stainless-steel ball bearings 16mm Sheave dia.: 5/8" Width: 5/16" Weight: 1/8oz. Max. line dia.: 3/16" Hole dia.: 3/16" Max. working load: 250lb.
Brand: Harken
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Cheek Block Curved Base Adapter, Series 40
Ronstan Cheek Block Curved Base Adapter, Series 40 . Cheek blocks can be mounted on masts and booms with this curved surface adapter. Fits Series 40 cheek blocks
Brand: Ronstan
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Sheave Assembly, 1 1/8"
Ronstan Sheave Assembly, 1 1/8" . RF1020 Rope Pulley Acetal Ball Bearing Max. Cable Size Rope-1/4 In. Sheave Outside Dia. Sheave Inside Dia. Sheave Width 7/16 In. Fasteners Field Install Acetal Sheave Material Resists Corrosion Mounting Hole Dia.
Brand: Ronstan
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Self Contained Micro Sheave
Harken Self Contained Micro Sheave . Self-contained sheaves are designed for sailors to use in custom applications. The Micro sheaves are Delrin with Delrin ball bearings. They are scored for rope. Sheave Size: 22mm (7/8") Width: 10mm (13/32") Center Pin Diameter: 3/16" Line: 1/4" Maximum...
Brand: Harken
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Stand Up Spring for 40mm Smart Ratchet Block
Ronstan Stand Up Spring For 40mm Smart Ratchet Block . Adjust the ratchet to optimize your performance! 40mm Smart-ratchet blocks are ideal for spinnaker, mainsheet and jibsheet applications on dinghies and off-the-beach catamarans, or for control lines on larger boats. The unique adjustment...
Brand: Ronstan
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