Brand: Ronstan
Ronstan Series 20 Triple Ball Bearing Block with Becket, 20mm
Ronstan Series 20 Triple Ball Bearing Block with Becket, 20mm
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About this product
This Ronstan Series 20 triple ball bearing block features a becket and a 2-axis shackle head, designed for high-performance control lines. Engineered for low friction and high load capacity, it is a versatile choice for dinghy applications including vangs, cunninghams, and traveller controls.
Key Features:
- Precision-molded Acetal sheaves with stainless steel or Torlon ball bearings
- Two-way head can be locked at 0° or 90°
- UV-stabilized and impact-resistant materials for durability
- Manufacturer part number: RF20312
Specifications:
- Sheave diameter: 20mm (3/4")
- Maximum rope diameter: 6mm (1/4")
- Pin diameter: 4mm (5/32")
- Maximum Working Load (M.W.L.): 400kg (880 lbs)
- Breaking Load (B.L.): 850kg (1,870 lbs)
- Weight: 64g (2.3 oz)
- Materials: Grade 316 stainless steel load strap/head, fiber-reinforced nylon cheeks, UV-stabilized Acetal sheave
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-103687
- Model / MPN
- RF20312
- UPC / GTIN
- 9316800255580
- Package dimensions (H × W × L)
- 1" X 2" X 3"
- Package weight
- 0.15 lb
- Country of origin
- INDONESIA
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.
