CLOSEOUT - Ronstan Series 45 Core Block - Single/Swivel Haylard
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strong Series 45 Core Block - Single Swivel Haylard strong br br Core Blocks trade are a true all round solution A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads Acetal sheave alloy cheeks and stainless fixings complete the durable package For reliability and a long service life these blocks are the right choice for sheets halyards and control line applications for cruising and racing br br strong Universal Bearing strong ul li Dynamic and high static load performance li li The Ronstan Universal Bearing incorporates our proven 2-stage bearing system li li Stage 1 - Under moderate loads Acetal ball bearings ensure minimum friction li li Stage 2 - Under heavy loads where deformation of ball bearings alone would result in increased friction a sliding Acetal bearing on a polished stainless steel race takes over maintaining low friction performance li li Additionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn rsquo t perfect Particularly important for cheek blocks li ul strong Alloy Cheek Plates strong br Block cheeks are manufactured from the highest quality alloy for maximum strength Material optimization and the cut-away design minimizes weight and allows easy fresh water rinsing of salt and debris from the bearings amp nbsp Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave minimizing rope wear br br strong Features strong ul li High dynamic and static load capacity li li Efficient 2-stage bearing system li li Ball bearings to counteract side thrust loads li li Class leading performance and sleek contemporary styling li li Durable aluminium alloy cheek plates li li Central hub hole can be used as a becket take-off or tie-up point li li Incorporates a low profile swivel head fork li li Features a removable screw pin for attachment to padeyes li li Suitable for 12mm 1 2 34 diam mast collar post li ul strong Applications strong ul li Ideal for mainsheet halyard and spinnaker sheet applications on boats to 10M 33 39 li li Various control line applications on larger yachts li li Alloy sheave models are available for use with wire li ul strong Materials strong ul li Sheave U V stabilised Acetal li li Cheek body Aluminium Alloy li li Ball Bearings High compression strength carbon black Acetal li li Shackle head post amp hub Grade 316 stainless steel li ul --- cis2 mmxtmJVt --- br
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