Brand: Ronstan
Ronstan Series 20 Single Ball Bearing Cheek Mount Block, 20mm
Ronstan Series 20 Single Ball Bearing Cheek Mount Block, 20mm
3 available
About this product
The Ronstan Series 20 Single Ball Bearing Block features a low-friction design with a cheek rivet mount, suitable for various rigging applications on small sailboats. It utilizes precision-molded acetal sheaves running on stainless steel ball bearings to ensure smooth operation under both static and dynamic loads.
- Sheave diameter: 20mm (3/4")
- Maximum rope diameter: 6mm (1/4")
- Maximum working load: 200kg (440 lbs)
- Breaking load: 550kg (1,210 lbs)
- Weight: 17g (0.6 oz)
- Mounting: Designed for screw or pop rivet installation
- Materials: UV-stabilized acetal sheaves, stainless steel ball bearings, grade 316 stainless steel load strap/head fitting, and UV-resistant fiber-reinforced nylon cheeks
This block is intended for use with dinghy control lines, vangs, cunninghams, and traveller controls. Its lightweight construction is optimized for performance rigging.
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-103684
- Model / MPN
- RF20151A
- UPC / GTIN
- 9316800262007
- Package dimensions (H × W × L)
- 1" X 2" X 3"
- Package weight
- 0.05 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.
