{"product_id":"ronstan-series-40-ball-bearing-block-triple-swivel-head","title":"Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head – Marine Boat Replacement Part","description":"\u003cp\u003e\u003cstrong\u003eRonstan Series 40 Ball Bearing Block - Triple - Swivel Head – 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 40 Ball Bearing Block - Triple - Swivel Head Features: Low friction Acetal or Torlon® bearing system Lightweight Cheek cut-outs for easy bearing maintenance Features a swivel shackle head for full 360° rotation 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. Applications: Mainsheet Halyard Vang Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft) Materials: Acetal ball bearings UV stabilised Acetal sheave Grade 316 stainless steel load strap and head fitting Impact and UV resistant, fiber reinforced Nyl\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":42613530394713,"sku":"70618","price":91.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/ronstan-series-40-ball-bearing-block-triple-swivel-head-1501703.jpg?v=1761797250","url":"https:\/\/www.marinepartsonly.com\/products\/ronstan-series-40-ball-bearing-block-triple-swivel-head","provider":"Marine Parts Only","version":"1.0","type":"link"}