{"product_id":"ronstan-series-30-ball-bearing-block-single-loop-top","title":"Ronstan Series 30 Ball Bearing Block - Single - Loop Top – Marine Boat Replacement Part","description":"\u003cp\u003e\u003cstrong\u003eRonstan Series 30 Ball Bearing Block - Single - Loop Top – Marine Boat Replacement Part\u003c\/strong\u003e is organized for lighting \u0026amp; visibility shoppers who need a clear, professional marine parts buying experience.\u003c\/p\u003e\u003cp\u003eSeries 30 Ball Bearing Block - Single - Loop Top Features: Low friction 2-stage ball bearing system provides consistent performance over the full working load range High static and dynamic load capacity Light weight Versatile head fittings Sheaves running on Acetal or Torlon® ball bearings provide high performance \u0026amp; low friction Can be fitted with a shackle in either of two planes to allow correct alignment of the block Applications: Primary lead blocks on dinghies and catamarans Control lines on larger yachts Materials: U.V. stabilized Acetal sheaves Acetal ball bearings Impact modified, fiber reinforced and U.V. stabilized Nylon cheeks Grade 316 stainless steel load straps and head fitting\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Product Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand \/ Manufacturer: Ronstan\u003c\/li\u003e\n\u003cli\u003eMaterial: stainless steel, nylon\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eSearch-optimized by brand, system, part type, and fitment cues.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your original part number, engine model, and application before ordering.\u003c\/li\u003e\n\u003cli\u003eBuilt for boat owners, e-commerce shoppers, and professional marine service teams.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":42614280257625,"sku":"55171","price":22.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/ronstan-series-30-ball-bearing-block-single-loop-top-8212570.jpg?v=1761791423","url":"https:\/\/www.marinepartsonly.com\/products\/ronstan-series-30-ball-bearing-block-single-loop-top","provider":"Marine Parts Only","version":"1.0","type":"link"}