The Ronstan Series 40 Double Swivel Ball Bearing Block is a high-performance, lightweight block designed for smooth operation and durability. It features a dual-stage bearing system with Acetal or Torlon bearings that ensure low friction across a wide range of loads.
- Configuration: Double block with a swivel shackle head for 360° rotation
- Design: Includes cheek cut-outs for convenient bearing maintenance
- Performance: Lightweight construction with a high-performance 2-stage ball bearing system
- Applications: Suitable for mainsheets, halyards, vangs, and spinnaker control lines
- Compatibility: Recommended for off-the-beach catamarans, one-design classes, and sportsboats up to 8m (26ft)
- Model Number: RF40200
Product facts
- CT SKU
- CT-114659
- Model / MPN
- RF40200
- UPC / GTIN
- 9316800557363
- Package dimensions
- 2" X 3" X 5"
- Package weight
- 0.3 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
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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.
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Need help choosing?
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