![Ronstan Series 20 Ball Bearing Block – Single, Loop Mount [RF20184]](https://www.sailspower.com/wp-content/uploads/2025/9/1759043877/ronstan-series-20-ball-bearing-block-single-loop-mount-rf20184-1759043883.webp)
Series 20 Ball Bearing Block - Single, Loop MountFeatures:Low frictionHigh static and dynamic load capacityLightweightSingle point mountingPrecision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low fri
Series 20 Ball Bearing Block – Single, Loop Mount
Features:
Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction.
Applications:
Materials:
![Harken 60mm Element Triple Block [6275]](https://www.sailspower.com/wp-content/uploads/2025/9/1759043140/harken-60mm-element-triple-block-6275-1759043144.webp)
![Wichard Soft Snatch Block – 16mm Rope Size [36030]](https://www.sailspower.com/wp-content/uploads/2025/9/1759043140/wichard-soft-snatch-block-16mm-rope-size-36030-1759043144.webp)
![Ronstan Wire Block – Tubular Rivet Head w/Removable Nylatron Sheave – 45mm (1-3/4″) Sheave Diameter [RF103]](https://www.sailspower.com/wp-content/uploads/2025/9/1759042983/ronstan-wire-block-tubular-rivet-head-w-removable-nylatron-sheave-45mm-1-3-4-sheave-diameter-rf103-1759042987.webp)
![Barton Size 3 45mm Plain Bearing Pulley Block Double Upright Block [N03250]](https://www.sailspower.com/wp-content/uploads/2025/9/1759043080/barton-size-3-45mm-plain-bearing-pulley-block-double-upright-block-n03250-1759043084.webp)
Reviews
There are no reviews yet.