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Ronstan Series 45 Core Block, Single/Swivel Halyard

$57.27 $114.53

RF44188%3A%20SERIES%2045%20CORE%20BLOCK%26trade%3B%2C%20HALYARDHalyard%20block%2C%20swivel%20fork%20head%20contains%205mm%20pin%20with%20removable%20roller.%0D%0AFEATURES%0D%0A%0D%0AHigh%20dynamic%20and%20static%20load%20capacity.%0D%0AEfficient%202-stage%

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RF44188%3A%20SERIES%2045%20CORE%20BLOCK%26trade%3B%2C%20HALYARDHalyard%20block%2C%20swivel%20fork%20head%20contains%205mm%20pin%20with%20removable%20roller.%0D%0AFEATURES%0D%0A%0D%0AHigh%20dynamic%20and%20static%20load%20capacity.%0D%0AEfficient%202-stage%20bearing%20system.%0D%0ABall%20bearings%20to%20counteract%20side%20thrust%20loads.%0D%0AClass%20leading%20performance%20and%20sleek%2C%20contemporary%20styling.%0D%0ADurable%20aluminium%20alloy%20cheek%20plates.%0D%0ACentral%20hub%20can%20be%20used%20as%20a%20becket%20take-off%20or%20tie-up%20point%2C%20Max%2011.5mm%20lineIncorporates%20a%20low%20profile%20swivel%20head%20fork.%0D%0AFeatures%20a%20removable%20screw%20pin%20for%20attachment%20to%20padeyes.%0D%0ASuitable%20for%2012mm%20(1%2F2%22)%20Diam.mast%20collar%20post%0D%0A%0D%0ASPECIFICATIONS%0D%0A%0D%0ASheave%20diameter%20(mm)%2045%0D%0AB.L.%20(kg)%201400%0D%0AM.W.L.%20(kg)%20700%0D%0AMax.%20Rope%20diameter%20(mm)%2012%0D%0AWeight%20(g)%20121%0D%0APin%20%26Oslash%3B%20(mm)%205%0D%0A%0D%0APRODUCT%20INFORMATION%0D%0ACore%20Blocks%26trade%3B%20are%20a%20true%20all%20round%20solution.%20A%20tuned%202-stage%20bearing%20system%20provides%20excellent%20performance%20across%20the%20full%20working%20load%20range%20with%20an%20integrated%20thrust%20bearing%20feature%20and%20the%20resilience%20to%20handle%20high%20dynamic%20or%20static%20loads.%20Acetal%20sheave%2C%20alloy%20cheeks%20and%20stainless%20fixings%20complete%20the%20durable%20package.%20For%20reliability%20and%20a%20long%20service%20life%2C%20these%20blocks%20are%20the%20right%20choice%20for%20sheets%2C%20halyards%20and%20control%20line%20applications%20for%20cruising%20and%20racing.%0D%0AUniversal%20Bearing%20-%20Dynamic%20and%20high%20static%20load%20performance.%20The%20Ronstan%20Universal%20Bearing%20incorporates%20our%20proven%202-stage%20bearing%20system.%20Stage%201%20-%20Under%20moderate%20loads%2C%20Acetal%20ball%20bearings%20ensure%20minimum%20friction.%20Stage%202%20-%20Under%20heavy%20loads%2C%20where%20deformation%20of%20ball%20bearings%20alone%20would%20result%20in%20increased%20friction%2C%20a%20sliding%20Acetal%20bearing%20on%20a%20polished%20stainless%20steel%20race%20takes%20over%2C%20maintaining%20low%20friction%20performance.%20Additionally%20the%20ball%20bearings%20are%20configured%20to%20act%20as%20a%20thrust%20bearing%20between%20the%20sheave%20and%20cheeks%2C%20preventing%20the%20sheave%20from%20rubbing%20on%20the%20cheeks%20and%20causing%20friction%20when%20the%20line%20lead%20in%20and%20out%20of%20the%20block%20isn%26rsquo%3Bt%20perfect.%20Particularly%20important%20for%20cheek%20blocks.%20Alloy%20cheek%20plates%20.%20Block%20cheeks%20are%20manufactured%20from%20the%20highest%20quality%20alloy%20for%20maximum%20strength.%20Material%20optimisation%20and%20the%20cut-away%20design%20minimises%20weight%20and%20allows%20easy%20fresh%20water%20rinsing%20of%20salt%20and%20debris%20from%20the%20bearings.%20Cheek%20design%20has%20been%20further%20styled%20with%20flaring%20at%20the%20block%20throat%20and%20reduced%20gap%20between%20the%20cheek%20and%20sheave%2C%20minimising%20rope%20wear.%0D%0AAPPLICATIONS%0D%0A%0D%0AIdeal%20for%20mainsheet%2C%20halyard%20and%20spinnaker%20sheet%20applications%20on%20boats%20to%201m%20(33ft).%0D%0AVarious%20control%20line%20applications%20on%20larger%20yachts.%0D%0AAlloy%20sheave%20models%20are%20available%20for%20use%20with%20wire.%0D%0A%0D%0AMATERIALS%0D%0A%0D%0ASheave%3A%20U.V.%20stabilised%20Acetal%0D%0ACheek%20body%3A%20Aluminium%20Alloy%0D%0ABall%20Bearings%3A%20High%20compression%20strength%20carbon%20black%20Acetal%0D%0AShackle%2C%20head%20post%20%26amp%3B%20hub%3A%20Grade%20316%20stainless%20steel%0D%0AFork%20pin%3A%20Grade%202205%20stainless%20steel

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