Brand: Ronstan
Ronstan Series 20 Single Ball Bearing Block, 20mm
Ronstan Series 20 Single Ball Bearing Block, 20mm
6 available
About this product
The Ronstan Series 20 Single Ball Bearing Block is engineered for low-friction performance in demanding marine environments. This lightweight block features precision-molded Acetal sheaves that run on stainless steel ball bearings, ensuring high static and dynamic load capacity.
Key Features- Precision-molded Acetal sheaves
- Stainless steel ball bearings
- Grade 316 stainless steel load strap and head fitting
- Impact and UV-resistant, fiber-reinforced Nylon cheeks
- Ideal for dinghy control lines, vangs, cunninghams, and traveller controls
- Sheave diameter: 20mm (3/4")
- Maximum rope diameter: 6mm (1/4")
- Pin diameter: 3mm (1/8")
- Maximum Working Load (M.W.L.): 250kg (550 lbs)
- Breaking Load (B.L.): 550kg (1,210 lbs)
- Weight: 20g (0.7 oz)
- Manufacturer Part Number: RF20100
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-103683
- Model / MPN
- RF20100
- UPC / GTIN
- 9316800255504
- Package dimensions (H × W × L)
- 1" X 2" X 4"
- Package weight
- 0.1 lb
- Country of origin
- INDONESIA
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Recommended accessories
Useful add-ons matched to this product.
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.
