{"title":"Selden Block Adaptors — Selection Guide","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v2.css\"\u003e\u003cstyle\u003e.mpom .om-tbl.nw td+td{white-space:nowrap}.mpom details.om-dd{position:relative;margin:0}.mpom details.om-dd\u003esummary{list-style:none;cursor:pointer}.mpom details.om-dd\u003esummary::-webkit-details-marker{display:none}.mpom .om-dd-menu{position:absolute;left:0;top:calc(100% + 6px);min-width:100%;width:max-content;max-width:360px;background:#fff;border:1px solid #e3e5e8;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.14);z-index:30;padding:6px}.mpom .om-dd-menu a{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;border-radius:4px;font-size:14px;font-weight:600;color:#2a2b2a!important;text-decoration:none!important}.mpom .om-dd-menu a:hover{background:#f5f6f8}.mpom .om-dd-menu small{font-weight:400;color:#5f6368;white-space:nowrap}\u003c\/style\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag ss\"\u003eSELECTION GUIDE\u003c\/span\u003e\u003cp class=\"om-lead\"\u003ePick the Selden block adaptor that puts a PBB60, PBB70 or PBB80 plain bearing block on a deck ring or mast base shaft: loads, shaft size and fork dimensions.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eSelden Block Adaptors Selection Guide\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 1 page · 0.2 MB\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\" style=\"border-bottom:0\"\u003e\n\u003cspan\u003eLanguage\u003c\/span\u003e\u003cb\u003eEnglish\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-acts\"\u003e\n\u003ca class=\"om-btn dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Selden-Block-Adaptors-PBB60-PBB70-PBB80.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 4v11\"\u003e\u003c\/path\u003e\u003cpath d=\"m7 10 5 5 5-5\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 20h14\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Download PDF\u003c\/a\u003e\u003ca class=\"om-btn buy\" href=\"\/collections\/selden-plain-bearing-blocks\"\u003eView Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-use\"\u003eWhat It Does\u003c\/a\u003e\u003ca href=\"#om-specs\"\u003eSpecifications\u003c\/a\u003e\u003ca href=\"#om-complete\"\u003eComplete Blocks\u003c\/a\u003e\u003ca href=\"#om-products\"\u003eProducts\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-060-01.jpg?v=1786463863\" alt=\"Selden Block Adaptors — Selection Guide\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-use\"\u003e\n\u003ch2 class=\"om-h\"\u003eWhat the Adaptor Is For\u003c\/h2\u003e\n\u003cp\u003eDesigned for attaching Selden plain bearing blocks (PBB) onto deck rings and mast bases with vertical and rotating shafts, as commonly used by other spar manufacturers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-specs\"\u003e\n\u003ch2 class=\"om-h\"\u003eAdaptor Specifications\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAdaptor Art. No.\u003c\/th\u003e\n\u003cth\u003eSafe working load (kg)\u003c\/th\u003e\n\u003cth\u003eBreaking load (kg)\u003c\/th\u003e\n\u003cth\u003eFits shaft (Ø mm)\u003c\/th\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003cth\u003eA (Ø mm)\u003c\/th\u003e\n\u003cth\u003eFork W (mm)\u003c\/th\u003e\n\u003cth\u003eClevis pin, block (Ø mm)\u003c\/th\u003e\n\u003cth\u003eClevis pin (Ø mm)\u003c\/th\u003e\n\u003cth\u003eC-c clevis pins L (mm)\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e406-060-01\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003ctd\u003eØ12 × 34\u003c\/td\u003e\n\u003ctd\u003ePBB60\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-adaptor-pbb60\"\u003eView part →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e407-060-01\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003ctd\u003e3000\u003c\/td\u003e\n\u003ctd\u003eØ14 × 39\u003c\/td\u003e\n\u003ctd\u003ePBB70\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-adaptor-pbb70\"\u003eView part →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e408-060-01\u003c\/td\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003ctd\u003e4000\u003c\/td\u003e\n\u003ctd\u003eØ14 × 39\u003c\/td\u003e\n\u003ctd\u003ePBB80\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-adaptor-pbb80\"\u003eView part →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv style=\"height:16px\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Selden-Block-Adaptor-Dimension-Drawing.png\" alt=\"Selden block adaptor drawing showing dimensions A, W and L, the block pin and the shaft pin\" style=\"width:100%;height:auto;border:1px solid #e3e5e8;border-radius:6px;margin:0\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-complete\"\u003e\n\u003ch2 class=\"om-h\"\u003eComplete Single Blocks with Adaptor\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eArt. No.\u003c\/th\u003e\n\u003cth\u003eBlock\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e406-001-60R\u003c\/td\u003e\n\u003ctd\u003ePBB60\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-pbb60-single-shackle-adaptor\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e407-001-60R\u003c\/td\u003e\n\u003ctd\u003ePBB70\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-pbb70-single-shackle-adaptor\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e408-001-60R\u003c\/td\u003e\n\u003ctd\u003ePBB80\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-pbb80-single-shackle-adaptor\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eNeed a part that isn't listed? \u003ca href=\"\/pages\/contact\"\u003eAsk us to source it\u003c\/a\u003e and quote the part number from the PDF.\u003c\/p\u003e\n\u003ch2 class=\"om-h\" id=\"om-products\"\u003eProducts in this Selection Guide\u003c\/h2\u003e\n\u003c\/div\u003e","products":[{"product_id":"selden-block-pbb60-single-shackle-adaptor","title":"Selden 60 mm Plain Bearing Block - Single, Swivel, Shackle Adaptor","description":"\u003cp\u003eThe PBB60 Single Block with Shackle Adaptor is designed to fit deck ring\/T-base shafts of other mast brands Consequently, this block is designed to route a halyard from the mast and back to the cockpit. It features a 60mm sheave diameter and the block is made with top quality materials for optimal performance under all conditions. The practical switch from swivelling to fixed shackle and the stainless steel straps ensure increased safety and functionality. The block also has torsional rigid cheeks to prevent jamming\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564872728882,"sku":"SEL406-001-60R","price":67.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-001-60R.jpg?v=1786463844"},{"product_id":"selden-block-adaptor-pbb60","title":"Selden Block Adaptor for French Deck Rings - PBB60","description":"\u003cp\u003eBlock adapter PBB60 replaces the shackle of a PBB60 single block to fit deck rings and T-bases of other mast manufacturers The adapter is included in block 406-001-60R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873154866,"sku":"SEL406-060-01","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-060-01.jpg?v=1786463863"},{"product_id":"selden-block-adaptor-pbb60-1","title":"Selden Block Adaptor for French Deck Rings - PBB60","description":"\u003cp\u003eBlock adapter PBB60 replaces the shackle of a PBB60 single block to fit deck rings and T-bases of other mast manufacturers The adapter is included in block 406-001-60R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873187634,"sku":"SEL406-060-01R","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-060-01R.jpg?v=1786463862"},{"product_id":"selden-block-pbb70-single-shackle-adaptor","title":"Selden 70 mm Plain Bearing Block - Single, Swivel, Shackle Adaptor","description":"\u003cp\u003eThe PBB70 Single Block with Shackle Adaptor is designed to fit deck ring\/T-base shafts of other mast brands Consequently, this block is designed to route a halyard from the mast and back to the cockpit. It features a 70mm sheave diameter and the block is made with top quality materials for optimal performance under all conditions\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873908530,"sku":"SEL407-001-60R","price":90.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/407-001-60R.jpg?v=1786463884"},{"product_id":"selden-block-adaptor-pbb70","title":"Selden Block Adaptor for French Deck Rings - PBB70","description":"\u003cp\u003eBlock adapter PBB70 replaces the shackle of a PBB70 single block to fit deck rings and T-bases of other mast manufacturers The adapter is included in block 407-001-60R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873941298,"sku":"SEL407-060-01","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/407-060-01.jpg?v=1786463902"},{"product_id":"selden-block-adaptor-pbb70-1","title":"Selden Block Adaptor for French Deck Rings - PBB70","description":"\u003cp\u003eBlock adapter PBB70 replaces the shackle of a PBB70 single block to fit deck rings and T-bases of other mast manufacturers The adapter is included in block 407-001-60R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873974066,"sku":"SEL407-060-01R","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/407-060-01R.jpg?v=1786463902"},{"product_id":"selden-block-pbb80-single-shackle-adaptor","title":"Selden 80 mm Plain Bearing Block - Single, Swivel, Shackle Adaptor","description":"\u003cp\u003eThe PBB80 Single Block with Shackle Adaptor is designed to fit deck ring\/T-base shafts of other mast brands Consequently, this block is designed to route a halyard from the mast and back to the cockpit. It features an ø80 mm glass fibre reinforced sheave with polymer bushing, stainless steel strap for durability, glass fiber reinforced composite cheeks to prevent jamming and a practical switch from swiveling to fixed shackle\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564874072370,"sku":"SEL408-001-60R","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/408-001-60R.jpg?v=1786463902"},{"product_id":"selden-block-adaptor-pbb80","title":"Selden Block Adaptor for French Deck Rings - PBB80","description":"\u003cp\u003eBlock adapter PBB80 replaces the shackle of a PBB80 single block to fit deck rings and T-bases of other mast manufacturers The adapter is included in block 408-001-60R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564874105138,"sku":"SEL408-060-01","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/408-060-01.jpg?v=1786463902"},{"product_id":"selden-block-adaptor-pbb80-1","title":"Selden Block Adaptor for French Deck Rings - PBB80","description":"\u003cp\u003eBlock adapter PBB80 replaces the shackle of a PBB80 single block to fit deck rings and T-bases of other mast manufacturers The adapter is included in block 408-001-60R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564874137906,"sku":"SEL408-060-01R","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/408-060-01R.jpg?v=1786463902"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/406-060-01.jpg?v=1792516928","url":"https:\/\/www.mauripro.com\/collections\/selection-guides-selden-block-adaptors.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}