Brand: Ronstan
Ronstan Series 40 Orbit BB Quin Block with Swivel Shackle (RF48500)
Ronstan Series 40 Orbit BB Quin Block with Swivel Shackle (RF48500)
4 available
The Ronstan Series 40 Orbit BB Quin Block with Swivel Shackle is designed for high-performance sailing applications, offering a reliable balance of strength and low-friction operation. Featuring a 2-stage bearing system, this block utilizes primary ball bearings for efficiency and a secondary full-contact bearing to maintain performance across the full working load range. Its lightweight construction replaces traditional stainless steel straps with toughened, glass fiber-reinforced nylon cheeks for a compact, durable build.
Key Specifications:
- Sheave diameter: 1-9/16 in.
- Maximum rope diameter: 3/8 in.
- Pin diameter: 5/32 in.
- Maximum Working Load (M.W.L.): 1320 lb.
- Breaking Load (B.L.): 2650 lb.
- Weight: 8.5 oz.
- Model Number: RF48500
Applications:
- Mainsheet and spinnaker sheet systems on dinghies, sportsboats, and catamarans up to 26 ft.
- Halyard, vang, and backstay use on boats up to 30 ft.
- Versatile control line applications for larger yachts.
Product facts
- CT SKU
- CT-112195
- Model / MPN
- RF48500
- UPC / GTIN
- 9316800624850
- Package dimensions
- 2" X 4" X 6"
- Package weight
- 0.55 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
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Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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