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{"id":5682993889434,"title":"Ronstan Series 45 Stand-Up Core Block - Swiveling","handle":"a795-66602-ronstan-series-45-stand-up-core-block-swiveling","description":"\u003cstrong\u003eSeries 45 Stand-Up Core Block - Swiveling\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eCore Blocks™ 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.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eUniversal Bearing\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eDynamic and high static load performance\u003c\/li\u003e\n\u003cli\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\u003c\/li\u003e\n\u003cli\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction\u003c\/li\u003e\n\u003cli\u003eStage 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\u003c\/li\u003e\n\u003cli\u003eAdditionally 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't perfect. Particularly important for cheek blocks\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eAlloy Cheek Plates\u003c\/strong\u003e\u003cbr\u003eBlock 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. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimizing rope wear.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eHigh dynamic and static load capacity\u003c\/li\u003e\n\u003cli\u003eEfficient 2-stage bearing system\u003c\/li\u003e\n\u003cli\u003eBall bearings to counteract side thrust loads\u003c\/li\u003e\n\u003cli\u003eClass leading performance and sleek, contemporary styling\u003c\/li\u003e\n\u003cli\u003eDurable aluminium alloy cheek plates\u003c\/li\u003e\n\u003cli\u003eCentral hub hole can be used as a becket take-off or tie-up point\u003c\/li\u003e\n\u003cli\u003eFeatures a strong cast padeye base with a swivel head post to allow full rotation and articulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eIdeal for mainsheet, halyard and spinnaker sheet applications on boats to 10M (33')\u003c\/li\u003e\n\u003cli\u003eVarious control line applications on larger yachts\u003c\/li\u003e\n\u003cli\u003eAlloy sheave models are available for use with wire\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eSheave: U.V. stabilised Acetal\u003c\/li\u003e\n\u003cli\u003eCheek body: Aluminium Alloy\u003c\/li\u003e\n\u003cli\u003eBall Bearings: High compression strength carbon black Acetal\u003c\/li\u003e\n\u003cli\u003eShackle, head post \u0026amp; hub: Grade 316 stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:mm1tnptm ---\u003e","published_at":"2020-08-31T23:55:16-04:00","created_at":"2020-08-31T23:55:17-04:00","vendor":"Ronstan","type":"Blocks","tags":["Blocks","Sailing"],"price":10398,"price_min":10398,"price_max":10398,"available":true,"price_varies":false,"compare_at_price":11058,"compare_at_price_min":11058,"compare_at_price_max":11058,"compare_at_price_varies":false,"variants":[{"id":36002535669914,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"A795-66602","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Ronstan Series 45 Stand-Up Core Block - Swiveling","public_title":null,"options":["Default Title"],"price":10398,"weight":181,"compare_at_price":11058,"inventory_management":"wholesale2b","barcode":"9316800475698"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0024\/0890\/6850\/products\/66602.jpg?v=1598932517"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/0890\/6850\/products\/66602.jpg?v=1598932517","options":["Title"],"media":[{"alt":null,"id":11038838980762,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0024\/0890\/6850\/products\/66602.jpg?v=1598932517"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0024\/0890\/6850\/products\/66602.jpg?v=1598932517","width":500}],"content":"\u003cstrong\u003eSeries 45 Stand-Up Core Block - Swiveling\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eCore Blocks™ 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.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eUniversal Bearing\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eDynamic and high static load performance\u003c\/li\u003e\n\u003cli\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\u003c\/li\u003e\n\u003cli\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction\u003c\/li\u003e\n\u003cli\u003eStage 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\u003c\/li\u003e\n\u003cli\u003eAdditionally 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't perfect. Particularly important for cheek blocks\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eAlloy Cheek Plates\u003c\/strong\u003e\u003cbr\u003eBlock 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. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimizing rope wear.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eHigh dynamic and static load capacity\u003c\/li\u003e\n\u003cli\u003eEfficient 2-stage bearing system\u003c\/li\u003e\n\u003cli\u003eBall bearings to counteract side thrust loads\u003c\/li\u003e\n\u003cli\u003eClass leading performance and sleek, contemporary styling\u003c\/li\u003e\n\u003cli\u003eDurable aluminium alloy cheek plates\u003c\/li\u003e\n\u003cli\u003eCentral hub hole can be used as a becket take-off or tie-up point\u003c\/li\u003e\n\u003cli\u003eFeatures a strong cast padeye base with a swivel head post to allow full rotation and articulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eIdeal for mainsheet, halyard and spinnaker sheet applications on boats to 10M (33')\u003c\/li\u003e\n\u003cli\u003eVarious control line applications on larger yachts\u003c\/li\u003e\n\u003cli\u003eAlloy sheave models are available for use with wire\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eSheave: U.V. stabilised Acetal\u003c\/li\u003e\n\u003cli\u003eCheek body: Aluminium Alloy\u003c\/li\u003e\n\u003cli\u003eBall Bearings: High compression strength carbon black Acetal\u003c\/li\u003e\n\u003cli\u003eShackle, head post \u0026amp; hub: Grade 316 stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:mm1tnptm ---\u003e"}