{"product_id":"ronstan-series-50-ball-bearing-block-single-loop-top","title":"Ronstan Series 50 Ball Bearing Block - Single Loop Top – Marine Boat Replacement Part","description":"\u003cp\u003e\u003cstrong\u003eRonstan Series 50 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 50 Ball Bearing Block - Single Loop Top Sheaves running on Acetal or Torlon® ball bearings provide high performance \u0026amp; low friction. The 2-stage ball bearing system provides consistent performance over the full load range. Features: Low friction, 2-stage ball bearing system High static and dynamic load capacity Lightweight Cheek cut-outs for easy bearing maintenance Specifications: Max. Rope diameter (in): 1\/2\" M.W.L. (lb): 1100lbs Sheave diameter (in): 2\" B.L. (lb): 3310lbs Weight (oz): 3.4oz Materials: Acetal ball bearings UV-stabilized acetal sheave Grade 316 stainless steel load strap and head fitting Impact and UV-resistant, fiber-reinforced nylon cheeks\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":42615011311705,"sku":"105700","price":49.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/ronstan-series-50-ball-bearing-block-single-loop-top-1160870.jpg?v=1761256991","url":"https:\/\/www.marinepartsonly.com\/products\/ronstan-series-50-ball-bearing-block-single-loop-top","provider":"Marine Parts Only","version":"1.0","type":"link"}