The Ronstan Series 40 Orbit BB Quin Block is a high-performance, ball-bearing block designed for versatility and reliability in demanding sailing conditions. Featuring a 2-stage bearing system to minimize friction, this block maintains efficiency across its entire working load range.
Key Specifications:
- Sheave Diameter: 1-9/16 in.
- Maximum Rope Diameter: 3/8 in.
- Pin Diameter: 5/32 in.
- Maximum Working Load: 1320 lb.
- Breaking Load: 2650 lb.
- Weight: 8.7 oz.
- Includes: Becket and Swivel Shackle
Applications:
- Mainsheet and spinnaker sheets for dinghies, catamarans, and sportsboats up to 26 ft.
- Halyard, vang, and backstay use on boats up to 30 ft.
- Control line applications on larger yachts.
The Series 40 features lightweight, toughened glass fiber reinforced nylon cheeks for strength without the bulk of traditional stainless steel straps.
Product facts
- CT SKU
- CT-112196
- Model / MPN
- RF48510
- UPC / GTIN
- 9316800624867
- 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
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Need help choosing?
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