Brand: Ronstan
Ronstan Series 40 Orbit Ball Bearing Block with Becket and Swivel Shackle, RF48410
Ronstan Series 40 Orbit Ball Bearing Block with Becket and Swivel Shackle, RF48410
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About this product
The Ronstan Series 40 Orbit Ball Bearing Block offers a combination of strength and low-friction performance for sailboat rigging. This unit features a swivel shackle head and a becket for versatile configuration in various control line, mainsheet, and halyard systems.
Constructed with toughened, glass fiber reinforced nylon cheeks, this block is designed to be both lightweight and durable. It utilizes a 2-stage bearing system that combines ball bearings for reduced friction with a secondary full-contact bearing to maintain performance across the full working load range.
- 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: 7.1 oz.
- Manufacturer Part Number: RF48410
Ideal for mainsheet and spinnaker sheet applications on dinghies, catamarans, and sportsboats up to 8m (26ft), or for halyard, vang, and backstay use on boats up to 9m (30ft).
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-112194
- Model / MPN
- RF48410
- UPC / GTIN
- 9316800624843
- Package dimensions (H × W × L)
- 2" X 3" X 4"
- Package weight
- 0.45 lb
Specifications
- Type
- Ronstan Series 40 Orbit BB Block w/Becket & Swivel Shackle
Shipping & returns
Shipping & returns
Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.
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.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
