• Ronstan RF48120 Series 40 Orbit Single BB Block, 1-9/16" Sheave, 880 lb MWL
1 1
1 product view Open images for a closer look Compare photos with product details

Ronstan

Ronstan RF48120 Series 40 Orbit Single BB Block, 1-9/16" Sheave, 880 lb MWL

Ronstan RF48120 Series 40 Orbit Single BB Block, 1-9/16" Sheave, 880 lb MWL

SKUCT-112184

$145.61
$145.61
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Out of stock

Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Enhance your sailing system's performance with the Ronstan Series 40 Orbit Block, engineered for exceptional strength and reliability.

  • Class-leading dynamic and static load ratings.
  • Features a low-friction 2-stage ball bearing system for efficient trimming.
  • Maximum Working Load (MWL) is 880 lb.
  • Sheave diameter measures 1-9/16 inches.
  • Lightweight construction using toughened, glass fiber reinforced nylon.

This block is designed for a wide range of sailing applications on boats up to 8m (26ft).

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

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?

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.

View full details